Databases Questions and Answers February 06, 2020

a. The questions are: Draw four Gantt charts that illustrate the execution of these processes using the following scheduling algorithms: FCFS, SJF, and RR (quantum = 1) c. What is the waiting time of each process for each of these scheduling algorithms? (6 Points) Only do parts a and c for the FCFS, SJF and RR algorithms. Use the following set of

We can use the spread operator to copy all the properties of an object in JavaScript. Group of answer choices True I don't know False

We are baking brownies! We have a recipe which calls for the following ingredients: 0.5 cups butter 2 eggs 1 teaspoon vanilla 1 cup sugar 0.5 cups flour 0.5 cups cocoa powder 0.25 teaspoons baking powder 0.25 teaspoons salt The ingredients in this recipe will make 9 brownies. Write a program which asks the user how many brownies they wish to bake,

Assignment: My Contact Manager v3 with GUI In the 1D Arrays Unit you created a command-line Contact Manager v1. It is time to upgrade the software to include a graphic user interface. Your contact manager must: Have a menu bar that provides access to the following functionality (it is up to you to organize): Quit the application Save the Contacts

There are three type of Customer say Classic, Gold and Platinum. Each type get different discount depends of the purchase amount per below table. Create a project which will start once and can do this calculation and number of times user want. Program will terminate once user press 0(Zero). Make use of Interface, most of the OOP concepts. One

Which of the following statement could fill in the blank? Group of answer choices lst _ 1 + = lst _ 2 lst _ 1 [ 0 : ] + lst _ 2 [ 0 : ] lst _ 1 . append ( lst _ 2 [ 0 ] ) lst _ 1 + lst _ 2 lst _ 1 , lst _ 2 [ lst _ 1 , lst _ 2 ] lst _ 1 [ 0 : ] + lst _ 2 lst _ 1 + lst _ 2 [ 0 : ]

"Given the following architectural features, please choose the architectural style / period that best matches it from the list below: Reliance on Geometric Shapes ( Circles , Squares, etc. ) Care for Proportionality Relative Simplicity Classical Proportions and Columns"

Pharmacy Management System BASIC REQUIREMENTS: You should form groups of 2 to 4 students each. Submission Date and time: 25th of December 2021. PROJECT MAIN GOAL: Use current web and Internet development tools and techniques to create a small web-application PROJECT THEME: The main services (functionalities) of the system might include but not

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Which of the following is a distinguishing feature of generative AI ? It returns output related to the input. It recognizes patterns. It creates new, unique content. It uses text as an input prompt.

CSE260 assesment Sir it is urgent.do fast. Please solve this code in python3 paste with proper intendent blocks by pressing (CTRL+SHIFT+V),Also please provide code screenshot, Thank you. Do not need comments just give me solution as fast as possible. I am running out of time. Attach a screenshot with your solve. Question: Implement the

A3 : Without using any formal methods, simplify the above diagram as much as possible. That is, if you see two inverters back to back, you can remove them, or, if you see a sub-circuit being reused, you can use the output from one instance of that sub-circuit, and eliminate the other. XOR A+A+B o de procedura da A+A+B+B+O=AB+AB A. B+A5 B+A+B

For purposes of security, wallets are typically accessed through a combination of: brick and mortar universal serial busses public and private keys modem and router

1. Let n 2 3 be an integer and let S be a set consisting of n elements. How many ordered triples (A, B, C) are there for which A C S, B CS, CCS, and A, B, and C are pairwise disjoint? (a) 2 (b) 3 (c) 4n (d) 5

Ulsperger, Hodges, and Paul's ( 2 0 1 0 ) qualitative examination of music piracy among "Generation Y " youth found which technique of neutralization to be the most prevalently used? Question 1 7 options: A ) Appeal to higher loyalties B ) Denial of injury C ) Denial of a victim D ) Denial of responsibility

of the sequence of operations push to push pop push().push(O pop, pop, pop, puth (1) pop are performed on a stack, the sequence of popped out values Yanitiniz 1.0.1.0.1 0 11aa1 1,0,1,0,0 1.1.1.0.0 10 anos Yata

PYTHON: (Tkinter: Count the occurrences of each letter) Revise the preceding exercise to display a histogram for the result, as shown in Figure 14.6. You need to display a message in a message box if the URL does not exist. 76 Occurrence of letters in a Histogram from URL a z b c d e f g h i j k l m n o p q r Enter a URL:

C++ DSA 1. Using the programs above, test the following expressions as Infix input and find the corresponding output 2. Write a program to convert a postfix expression to infix expression. 3. Write a program to convert an infix expression to prefix expression. Part 2: Lab Tasks (10 points) Note: Copy this section into a new word file then save it.

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int [ . ] matrix = new int [ ] { ( 1 , 2 , 3 ) , ( 4 , 5 , 6 ) , ( 7 , 8 , 0 3 3 int sum = 0 ;for ( int 1 0 ; 1 matrix.GetLength ( 0 ) ; i + + ) { Int product matrix [ 1 . 0 ] ;for ( int j = 1 ; j matrix.GetLength ( 1 ) ; j + + ) { 5 6 7 8 9 S 1 0 } product matrix [ i , j ] : } sum product; 2 3 4 Console.WriteLine ( sum ) ;

The specialization hierarchy provides a means to _ _ _ _ _ . a . define a subtype discriminator b . prevent attribute inheritance c . allows subtype sets to be unique in all scenarios d . avoid optional subtypes

PLEASE DONT COPY PASTE OTHER EXPERT'S ANSWER , I WILL SURELY DOWNVOTE YOU :) PLS ANSWER THE QUESTION IN DETAIL, I WILL UPVOTE YOU PLEASE EXPLAN THE ANSWER IN DETAIL. I WILL UPVOTE YOU. THANK YOU IN ADVANCE. Provide a description the components which I have circled. Explain what they are and what they do, and how they are interrelated to each

Using Dev C++, write a program to solve the problem as stated below. Write a program will input a single integer value (all input will be exactly 8 digits long) and will store pairs of digits as individual integer values. The program will display the five 2-digit numbers as well as the average of these, each on their own line. Use a switch

C++ program) Design a class for a sales person that has the following members variable: --EID: To holds the sales persons employment ID --Firstname: To holds the sales persons first name. --Lastname: To holds the sales persons last name. --Date: To holds the sales persons birth date --TotalAnnualSales: To holds the sales persons total sales in a

Scenario: An organization wants to use RHEL to do some testing and is interested in only paying for the actual hours it intends to use RHEL during the test. Question: Which consumption model is most likely to meet the organization s needs? Purchasing RHEL through the organization s public cloud provider Purchasing hardware with RHEL preinstalled

user interface management systems controls relationship between presentation and functionality Select one: True False

Removing a residual magnetic field that distorts the colors on a television screen is called: tracking dubbing streaming flattening degaussing Which of the following is an input device? Select all correct answers. Please be advised that there is a penalty for incorrect answers. OCR UPC UPS Voice recognizer Speaker Digital CameraWhich of the

CSE260 assesment Sir it is urgent.do fast. Please solve this code in python3 paste with proper intendent blocks by pressing (CTRL+SHIFT+V),Also please provide code screenshot, Thank you. Do not need comments just give me solution as fast as possible. I am running out of time. Attach a screenshot with your solve. : Design MSc_Student class and

Create programme in SCILAB that determines the amount of change given back to a customer in a self - service checkout machine e . g . vending machine. The program generates a number between 0 . 0 1 and 5 0 . 0 0 and displays the amount of money you owe / needs to be paid. The program then asks the user to enter a payment. As a customer, you can

Question 1 ( 1 point ) How does Random Forest reduce the likelihood of overfitting compared to a single decision tree? By averaging the predictions of multiple trees By pruning trees more aggressively By randomly sampling features for each split By increasing the depth of each tree By using gradient descent to optimize splits

Write a MIPS code to compute the factorial of a positive integer. Assume that the integer is to be given as input by the user. You have to output the factorial of the number as The factorial of the given integer xxx is xxx Write a MIPS code to arrange the given set of integers in descending order. You may either assume that the set of integers are

CHALLENGE ACTIVITY 5 . 1 2 . 2 : Getting both index and value when looping: enumerate ( ) . 5 5 3 2 6 2 . 4 1 9 4 5 1 0 . qx 3 zqy 7 Jump to level 1 List athlete _ positions contains four athlete names read from input. Complete the for loop using the enumerate ( ) function to output each athlete's order on the roster followed by the athlete's

Having some difficulty with matlab (a) Over the range 3

Import the data from Task Instructions Import the data from the Newvendors.xisx workook and append it to the Sponsors table in the ConstructionWorkshopsacedb databse. Do not save the importsteps.

CSE260 assesment Sir it is urgent.do fast. Please solve this code in python3 paste with proper intendent blocks by pressing (CTRL+SHIFT+V),Also please provide code screenshot, Thank you. Do not need comments just give me solution as fast as possible. I am running out of time. Attach a screenshot with your solve. : Design Vegetable class and Fruit

The northwind file can be downloaded online from any microsoft server i just could not include the link because chegg does not allow it Part 1 - SQL Statements ( 1 9 marks ) You will be using the Northwind database in MySQL . The script to install the database is included as an attachment with this document. Please provide the answers to the

Given this new table, which INSERT statement would query from the customer table to insert the email address of all customers that live in the country USA? a . ) INSERT INTO mailinglist ( email ) SELECT email FROM customer WHERE country = 'USA'; b . ) INSERT INTO mailinglist SELECT email FROM customer WHERE country = 'USA'; c . ) INSERT INTO

Consider the following Java CodeScript from Lab5. for(int j = 0; j

LEARNING OBJECTIVE: Recognize the benefit of comparing the categories of an algorithm. An engineer is designing a random selection algorithm to return a random output value from a set of input values. The engineer plans to make this algorithm publicly available so other engineers can make use of it later. In this scenario, the engineer would

( 1 (a)what code ahould be rilled in the underlined space in the following code? (0,5 point ) intx 1 public int compareTo (A o) class A implementn it (x > 0,x) return1 else if (x list -new ArrayList(); list.add (new Student ("Peter", 65)) list.add(new Student ("Jil1", 50)) list.add(new Student ("Sarah", 34)) // java default Collection sort order

Design a combinational logic circuit using VHDL coding that executes the arithmetic and logic unit ( ALU ) functions below for the given inputs for registers A , B and G , which are 8 bits each. x is a binary input. Then execute the following mathematical operation:

INSTRUCTION: ANSWER QUESTION 3 (Just don't waste my attempt if you don't know how to do it, I will report on it if I found it) QUESTION 3. Construct a Package Diagram to illustrate the package organization for the Megamall contains different Stores as indicated in Question 2 using the Model-View-Controller architecture pattern. Provided that, I.

Consider a simple system with 8-bit block size. Assume the encryption (and decryption) to be as follows: If plaintext is LTRT and the key is LKRK, where LC,RC,LT, and RT are each 4 bits, then ciphertext= LC RC where LC=LK XOR RT; and RC=RK XOR LT; Plaintext and ciphertext are each 8 bits. Similarly, to decrypt ciphertext, we perform exactly the

Crime is a violation of A . A . criminal law for which formal penalties are applied by some governmental authority. B . B . societal standards and is punished with informal sanctions. C . C . criminal law that goes unnoticed by authorities. D . D . folkways.

1) (10pts) Order the following three functions so that each one is Big-Oh of the next one. Justify your answer: (logn)2n(2)lognnlogn Your answer will have a list of the three functions and arguments that the first in the list is Big-Oh of the second, and the second in the list is Big-Oh of the third

Asap Please write a Java program with comments Asap: Please write a java program with comments Write a program that uses recursion to display concentric circles, as shown in the figure below. The circles are centered in the pane. The gap between two adjacent circles is 10 pixels, and the gap between the border of the pane and the largest circle is

CSE260 assesment Sir it is urgent.do fast. Please solve this code in python3 paste with proper intendent blocks by pressing (CTRL+SHIFT+V),Also please provide code screenshot, Thank you. Do not need comments just give me solution as fast as possible. I am running out of time. Attach a screenshot with your solve. Question: : Design MSc_Student

Consider the following scenario: During the third week of your internship, the CIO emails you the following request: "Review the example I sent you about the implementation process. I attached a list of questions for you to answer about how the implementation process works and why IT projects sometimes fail. I'm most interested in your analysis of

A good pair of running shoes ( costs , cost ) quite a bit more than old - fashioned sneakers. Question 7 options: costs cost

Response time in an interactive system is an example of: Group of answer choices user - oriented criteria for short - term scheduling policies user - oriented criteria for long - term scheduling policies system - oriented criteria for short - term scheduling policies system - oriented criteria for long - term scheduling policies

C++ Implement a templated doubly-linked list . Your linked list class should implement the following functionality: Find(dataToFind) returns a pointer to the node whose key matches dataToFind. Insert(newData) inserts a new node at the end of the list with a key equal to newData Delete(delNode)- deletes the node that delNode points to from the

Subtypes are the result of moving attributes to a new table. general common specialized shared

1 2 An inode based file system has blocks of size 5 1 2 b bytes. Each block pointer is 4 bytes long. An inode entry contains 8 direct blocks, 1 indirect block, and 1 double indirect block. What is the maximum possible file size that can be supported Approximately? ] ( 2 Points ) 8 M B 2 M B i TE 5 G B none

Summary Exercise 3 Maintain code redeability. Program the code in c + + only. And use logical code for others to understand whats going on . Use switch, case, break method to do . Create a Movie Rating Chatbot that allows users to rate the following films: Top Gun: Maverick Star Wars: The Last Jedi Minions: The Rise of Gru Your chatbot should:

Functional Decomposition: The Register for Section use case can be decomposed into smaller, more manageable sub-tasks. Each sub-task corresponds to a single functional requirement, such as logging in, specifying the course, displaying the available sections, registering for a section, and displaying a confirmation or error message. The sub-tasks

According to Chapter 1 4 , an effective process description fully describes which of the following? glossary terms substeps subplots frames of reference

Attribute data _ _ _ _ _ _ _ are shown as points, lines, or polygons on a map define the computational structure of your data define non - spatial characteristics of the features we wish to represent in a GIS are entities of spatial data

Consider a bus-based shared memory with two processors P and Q. Assume that X in memory was originally set to 5 and the following operations were performed in the order given:(1) P updates X; (2) Q reads X; (3) Q updates X; (4) Q reads X; (5) Q updates X;(6) P updates X; (7) Q reads X. P Tabulate the Value and state of the memory, P's cache and Qs

If A 5 contained the text Wildebeest , what would the following formula return? = FIND ( wild , A 5 , 1 )

Which political party supported the following platform? Supported a large central ( federal ) Government.

Question 6 2 SUDOC is classification system for govdocs True False

Using Python, create a command line program that requests grades from the user and responds with all of the grades they have entered and a calculation of their grade point average ( GPA ) .

helpa ) Modems networked to a mainframe computer system have a limited capacity. 4 7 is the probability that a user dials into the network when a modem connection is available, and 1 4 is the probability that a call is received when all lines are busy. The system can be considered as a binary Markov chain. i ) Draw the state transition diagram of

Use C programming to use the code. Use pointers. Convert Demo7 Code in to functions for each operation. Determinant function Adjoint function / transpose of matrix Remainig operation you can perform in main function. Note: Use pointers for all operation For your reference how to use poin Array please use this code as an exa #define

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python beginner Question 5 (20% of this assignment): write a program to allow a user to input an integer N, and print all the prime numbers which are smaller than N. For example, when the user inputs N = 10, your program should output The prime numbers smaller than 10 include 2 3 5 7 Your program should output at most 8 prime numbers in each line.

Recurrent NN: Implement a more complex Siamese neural network that is composed of the following layers: An embedding layer that generates embedding vectors of the sentence text with 3 5 dimensions. A LSTM layer. You need to determine the size of this LSTM layer, and the text length limit ( if needed ) . 3 hidden layers and a relu activation

Q 1 . Calculate the access time for a disk having the size of 5 1 2 byte / sector and the seek time of 1 2 m s . The rotational rate is 5 7 0 0 RPM . The data transfer rate is 3 M B s e c , and the the controller overhead is 1 m s , you may even assume that there is no service time for the access. [ 2 0 ]

In the paper [182], real-world metamorphic generators are tested. All but one of the generators fail to produce any significant degree of metamorphism. Viruses from each of the weak generators are easily detected using standard signature techniques. However, one metamorphic generator, known as NGVCK, does produce highly metamorphic viruses, which

Your company is given the block of addresses at 154.16.128.0/17. You must create 1024 subnets with equal number of hosts in each subnet. In solving this problem, you must answer the following questions. 1.Write out the binary equivalent of 154.16.128.0 2.Calculate the number of subnet bits needed 3.Draw a vertical line between where the subnet

What is the time complexity of the following algorithm? B . O ( n 2 ) C . O ( n 3 ) D . OYlogan ) E . none al these is correct

Review study questions QUESTION 17 How are electrical signals and electromagnetic waves related? . They are not related b. The current produced by an electrical signal traveling through a conductive wire creates an electromagnetic field c. Electrical signals praduce acoustic energy which travels through air in the form of an electromagnetic wave

Implement the HogwartsQuidditchSquad class derived from the Squad class with necessary variables and methods so that the expected output is generated. Do not change any given code. [Hint: In order to form a squad, you need at least 5 members. And in order to form a perfect squad you need 2 beaters, 1 seeker, 1 chaser and 1 keeper. ] class Squad:

need help with this in Bash script Create a bash script that accomplish the following three items: 1) Print a welcome message with your information and the machine name ($HOSTNAME) 2) Display a user menu to choose from one of the following three options. a. Verify who the user is, test to see if the user is root and display a message acknowledging

Hashing is involved with digital signatures. A hashing algorithm creates a hash to _ _ _ _ _ _ _ _ . Group of answer choices verify the integrity of the message encrypt the message decrypt the message sign the message

need answer asap please Consider a relation R on X={a,b,c}. R= {(a,a), (b,b),(a,c), (c,a)} Please determine whether R is reflexive or transitive(with necessary process). anti-reflexive or symmetric or antisymmetric or

The specific gravity of gold is 1 9 . 3 . Write a MATLAB program that will determine the length of one side of a Xkilogram cube of solid gold, in units of inches. For example, x might be provided as 0 . 4 kilograms. Note: For this problem the mass, Mass, is already defined by MATLAB Grader so do not redefine it . Reference it by its variable name.

Make program. Draw the curve of y = x 2 + 2 x + 3 and xin [ - 1 0 , 1 0 ] .

3 . How many ways of choosing four different characters out of your username are there? Note: include the decimal as a character that you can choose. Hint: Be careful of characters that are identical. In your explanations, identify the counting method you are using and why you choose this method. You must also show all your steps and explain your

Person and Customer Classes Design a class named Person with fields for holding a persons name, address, and telephone number. Write one or more constructors and the appropriate mutator and accessor methods for the classs fields. Next, design a class named Customer, which inherits from the Person class. The Customer class should have a field for a

Assignment No. 1 To refresh your C programming skills, the following programming assignment is selected from the C programming prerequisite course that you have already taken. Seven students are enrolled in a program at the end of which they must take exams in two different subjects. They receive a diploma if they pass both subjects. The passing

Q1. Class Reference (20 marks) Implement a class, called Reference, to represent the characteristics that are common to all the References. Namely, 1. All references must have a unique identifier (of type int). 2. All references have a title and author (both of type string or char*), as well as year of publication (of type int)

Java . . . Write a program that takes in three integers and outputs the largest value. If the input integers are the same, output the integers' value. Ex: If the input is: 1 2 3 the output is: 3 Write a program that takes in three integers and outputs the largest value. If the input integers are the same, output the integers' value. Ex: If the

Remaining Time: 2 7 minutes, 5 1 seconds. Question Completion Status: QUESTION 1 Indicate the correct term for each definition in the given blanks. The terms are worth 1 point each. E . v v Abstract class A . v v Abstract method A . Has a method header but no method body B . Used to provide an implemented method in an interface C . Interface with

Use C programming Modify main.c to convert metric lengths (meters, etc.) from arbitrary metric unit to arbitrary metric unit. You should read and answer the questions in the questions file as well. HINT: Do the input and output parts first before starting the conversion part. For example: the user may input 620.3 km to Mm and your program will

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I need help with this code. I already asked this question once but the code I was given did not work correctly. Something was wrong in the formula. Here's the question again. Write wo Programs Expand on what you learned last week and write two more programs that use functions with parameters 1. Write an HTML document that looks similar to

What would happen when establishing a WAN link with different encapsulation options? a . The link will come up normally after the negotiation step b . The link will not come up c . The link will come up but only half - duplex d . The link will come up with limited bandwidth

You are living in Bangalore and want to travel from Bangalore to Ahmedabad and initially, you have M rupees. You are given the cost of a Gold coin, a Silver coin and a Bronze coin in Bangalore and Ahmedabad in arrays B and A respectively. You can buy at most one type of coin in Bangalore according to your money and selt them in Ahmedabad. You have

Question 1 ( 1 point ) Saved In National University classroom computers use the same password ( basically you leave the password field blank ) that is available to anyone. The potential for a person not affiliated with the university to access a system is high. This "feature" is a to the overall system. ( 1 point ) Vulnerability Threat Control

Cu les de las siguientes son ventajas de utilizar clases? Se requiere un esfuerzo m nimo para el mantenimiento: los cambios en la clase se aplican autom ticamente a todas las referencias de clase. Las clases se pueden usar directamente en TestCases. Ninguna, simplemente son complejas y de baja usabilidad. Se pueden reutilizar.

Privacy has been a major talking point amongst many tech giants as of the past 2 years. Let's be creative and find a way to encrypt our messages to send to one another! Define a python function encrypt which takes 3 arguments: msg - a non-empty string message shift - a non-negative integer func - a lambda function that takes one integer argument

Can someone please show me the steps to solving the problem below? Question 1 0/1 pts Given a cache memory speed of 3.5 ns and main memory speed of 9.5 ns, how low does the cache miss ratio (in % to one decimal place) need to be to have a mean access time no higher than 6 ns? You Answered 2.6000 Correct Answer 26.3 margin of error +/-1.0

1 1 : 1 8 Time Remaining 3 . 7 5 points Match each description with the correct theming concept. Retail theming Landscape Built on associations with image Mindscape Cyberspace Marketscape Previous

If a parallel data - store is used to store two relations r and s and we need to join r and s , it may be useful to maintain the join as a materialized view. What are the benefits and overheads in terms of overall throughput, use of space, and response time to user queries? Explain in detail.

CSE260 Sir it is urgent.do fast. Please solve this code in python3 paste with proper intendent blocks by pressing (CTRL+SHIFT+V),Also please provide code screenshot, Thank you. Do not need comments just give me solution as fast as possible. I am running out of time. Attach a screenshot with your solve. : Implement the HogwartsQuidditchSquad class

I have a digital system project about 4 bit digital calculator using Logisim application. I want to draw with Multiplexers, D Flip - flop, Logic Gates, Clock, Switches, 7 - segment displays. but I don't know how to draw it

What is the main objective of writing specifications for a software project? a . To outline the development team's responsibilities. b . To estimate project timelines and budget. c . To communicate project requirements and expectations. d . To document the project's design and architecture.

. (28 points) Use the definitions to prove that: - (a) n3+10n2+5n=O(n3) - (b) 2n45n2=(n4) - (c) nlognn=(n) - (d) aknk+ak1nk1++a0=(nk). Here ak,ak1,,a1,a0 are constants with ak>0, and k is a positive integer

Exercise 7: Let the relations RI = {(1, x), (1, y), (2, x), (3, x)); R2 {(x, b), (y, b), (y, a), (y, c)} Ordering ofX -{1,2,3), Y- {x, y) and Z - fa, b, c 1. Find the matrix A1 of the relation R1 2. Find the matrix A2 of the relation R'2 3. Find the matrix product A1 A2 4. Find the relation R2 o R1 5. Find the matrix of the relation R2 o R1

From the network graph of a circuit, an extracted partition of the network is represented using the following Boolean function f = A B ' C + B D E ' + A E Assuming NAND and Invert as base functions, perform cell library binding by minimizing the delay as the cost. Do not eliminate intermediate inverters while drawing the pattern graph. The

Section 2.1 1. Find the errors: Identify at least four mistakes in the activity diagram in Figure 2-E-1. Trim A Room Measure Room Molding -- Molding Cu Nail Molding [done] Paint Figure 2-E-1 Activity Diagram for Exercise 1

To prevent a class from being instantiated, _ _ _ _ _ _ _ _ _ _ _ _ _ on the constructor.

A Java character is stored in one byte two bytes three bytes four bytes