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computer science
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june 2019
26

Programming Questions and Answers June 26, 2019

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Using the given operators, decide whether the following expressions ( ( a ) to ( e ) ) are ty - peable or not. If the expression is typeable ( able to be reduced to a typed expression ) , give its type and expected output. Otherwise, give an explanation of why it is not typeable. 1 . ! ( 5 > 3 ) 2 . 1 0 0 / x; given x = "twenty" 3 . 4 5 . 0 + 1 9

Which of the following escape characters can be used to insert a tab within a text string? a . \ s b . \ t c . d . \ b

What is the corresponding value of 1 0 1 0 0 0 0 0 after performing left shift of ( a ) logic shift, ( b ) arithmetic shift, ( c ) rotation. ( 1 5 points, 5 points for each )

A good place to use a one - way branch would be _ _ _ _ _ _ _ _ . Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation...SHOW MORE a calculating overtime pay b printing an ' s ' on a "plural" noun c displaying a leading 0 for smaller numbers d displaying a message about

Why a linear bonded automata could be constructed for the language above

Create appropriate range names for Purchase Price ( cell C 5 ) , Sales Tax ( cell 0 6 ) , Down Payment ( cell C 7 ) , Months Financed ( C 8 ) , APR ( cell C 9 ) , Down Payment Amount ( cell C 1 2 ) , Amount Financed ( cell C 1 3 ) , and Tax Owed ( cell C 1 4 ) . Create the range names using the Create from Selection method, using the values in the

We are implementing a server with indirect authentication. What is included in the security boundary? Group of answer choices d ) The server itself, which does not include an authentication database a ) Everything from the point where the credential is entered to the checking mechanism and the authentication database b ) The server itself,

hey, I am creating a model, I imagine my task but I dont know how to write a constraints. Could you help me ?

Which of the following are advisable strategies when working with datasets? ( Multiple answers possible ) . Group of answer choices Don't leave any blank cells in your dataset. Example: If a value in a Sale Price column is not yet available, type in N / A . Merge similar headings into one cell. Use data validation techniques for data that is

1 2 points The if / then / else operation is a conditional statement. True False 2

code class = "asciimath" > when the earliest warning sign appeared ( ie ) incipiant cracks in masonary which home do you suppose exhibited the larger orinlems A or B

Objective:Create a personal webpage that includes a header, a main section with an introduction about yourself, and a footer with contact information. The webpage should be simple and styled using basic CSS . Requirements: 1 . HTML Structure: The page is divided into three sections: a header, a main section, and a footer. The header contains the

char x = ' a ' , y = ? ' a ' ; if ) = = ( 0 exit ( 0 ) ;

In which of the following types of computers is the system unit in separate housing from the monitor? Which of the following storage devices requires an Internet connection?

Question List Answer List Early studies of packet switching by Baran, Davies, Kleinrock. ( ) A . 2 0 1 0 - 2 0 2 0 First ARPAnet node operational. ( ) B . 1 9 0 0 s Internetting: DARPA researchers connect three networks together. ( ) C . 1 9 7 0 s The Internet Protocol ( IP ) is standardized in RFC 7 9 1 . ( ) D . 2 0 0 0 - 2 0 1 0 Congestion

Write a Python program to meet the following requirements: a ) Request the user to enter his / her annual income, with 2 decimal places; b ) Determine the user s tax amount due based on the bracket given below. Print the tax due. Income range 0 . 0 0 ~ 1 0 , 0 0 0 . 0 0 Tax rate 1 0 , 0 0 0 . 0 1 ~ 2 5 , 0 0 0 . 0 0 0 % 1 0 % 2 5 , 0 0 0 . 0 1 ~ 5

LLMs may make a mistake. The best defense is to combine a multiple - layered security approach such as read - only permissions anLLMs may make a mistake. The best defense is to combine a multiple - layered security approach such as read - only permissions and sandboxing so that LLLLMs may make a mistake. The best defense is to combine a multiple -

create a login page from scratch using jsp and tomcat

What is the purpose of grouping and subtotaling data? To remove subtotals from a worksheet To provide quick summaries of data To create custom sort orders To hide certain parts of a worksheet

1 0 . _ _ _ _ _ _ _ _ is the creation of a virtual, rather than actual, version of something.

QUESTION 1 Expert systems are rule - based systems that encode data from human knowledge in the form of If / Then rules. True False

If the learning rate ( ) is too small, then Gradient Descent overshoots the minimum:

Which statement about the standard streams is true? The standard input stream must be connected to the keyboard. The standard output stream must be connected to the screen. The standard error stream is connected to the screen by default. Streams may not be redirected.

What can be the max size of stack before printing 1 for DFS traversal starting from Node 6 . A . 4 B . 5 C . 7 D . 8

One of the users in your organization has just re - installed the operating system on his system. He notices that the email software can be accessed after the reinstallation, but all the old emails have disappeared. What could be the cause of this problem?

Item 3 0 . 6 2 points Time Remaining 1 8 minutes 2 9 seconds 0 0 : 1 8 : 2 9 Item 3 Time Remaining 1 8 minutes 2 9 seconds 0 0 : 1 8 : 2 9 Which of the following is a limitation of AI detection tools used to detect plagiarism resulting from using AI chatbots? Multiple Choice They can often be fooled when subtle changes are made to AI - generated

A business operates with a hybrid work model, where employees split their time between the office and remote work. To optimize space usage, the firm is downsizing its office and implementing a shared workstation system. Each workstation is assigned to two employees, but only one can use it per day. All employees must work in the office at least

2 . 1 Evaluate the role of Business Intelligence ( Bl ) and Analytics in supporting strategic decision - making. Analyze the evolution from traditional Bl to advanced analytics and discuss how technologies such as machine learning and artificial intelligence are reshaping the landscape of business analytics. Provide examples of how these

Que . 1 An image of \ ( 6 4 \ times 6 4 \ ) bytes is to be transmitted byte by byte over a wireless channel. The probability of correct transmission and reception of each bit over the channel is 0 . 9 8 . Each bit as well as byte transmission is independent of each other. There is only a single bit error probability in each byte. i ) Find the
$Que . 1 An image of \ ( 6 4 \ times 6 4 \ ) bytes$

What is the purpose of a non - designated port in a network utilizing the Spanning Tree Protocol ( STP ) ? To forward all multicast traffic to ensure network efficiency To serve as the primary gateway for inter - network communication To prevent network loops by blocking unnecessary traffic pathsTo provide redundancy by acting as a backup for the

Using the attached image, for client A to send a message to client H , the MAC address is what is needed? Group of answer choices False True

The use of modern technology for criminal purposes presents several challenges. Which is not one of them?

what is the regex for the double _ literal in java

Bit is to byte as _ _ _ _ _ _ _ _ _ blank. Multiple Choice player is to team car is to tires flag is to flagpole stamp is to letter

Modern CPUs use pipelining to execute several operations in stages. What is one, big problem that staged pipelines face that can slow execution?

what can ipv 6 network use to assign ip address

As shown in the following map, Australia has seven political divisions including New South Wales ( NSW ) . Queensland ( Q ) , Northern Territory ( NT ) , Western Australia ( WA ) , South Australia ( SA ) , Victoria ( M ) , and Tasmania ( T ) . You want to color each region of Australia on the map using red, blue, or green. You need to do it in

Blank is used to review and monitor AWS configuration

When a cookie is created during a website visit, it is stored: Group of answer choices on the website's server. on the ISP's servers. on the hard drive of the visitor's computer. in the browser's application settings.

i basically want you to create a component digram for my user story. the user stories should be uniquely identified which will include the description ( title ) of the story. Your diagram components should reference the user story from which it originated. This title should be included in the component diagram. Some of you may want to include the

All classes in Java are directly or indirectly subclasses of the class. this Object Wrapper String Reference

What is the default port used by the SSH protocol? Status: [ object Object ] 1 point 2 2 2 1 2 3 2 4

[ From in - class discussion: weeks 4 , 5 ] Which statement is FALSE regarding statistical algorithm machine learning models ( SAMLMs ) : The architecture of a SAMLM is fundamentally different than a Generative - AI model. The computational power of SAMLMs is based on artificial neurons arranged in multiple layers. SAMLMs use either regression or

physical equipment used for input, processing, and output activities in an information system are called what

#include #include / / Function Declaration int getOption ( void ) ; void getData ( int * a , int * b ) ; float calc ( int option, int num 1 , int num 2 ) ; float add ( float num 1 , float num 2 ) ; float sub ( float num 1 , float num 2 ) ; float mul ( float num 1 , float num 2 ) ; float divn ( float num 1 , float num 2 ) ; void printResult ( float

" " " File: circle.py Project 7 . 1 Draws a circle. 1 . The inputs are the coordinates of the center point and the radius. " " " import math from turtle import Turtle def draw _ circle ( t , x , y , radius ) : " " " Draws a circle with the given center point and radius.""" t . penup ( ) t . goto ( x , y - radius ) t . setheading ( 0 ) t . pendown

5 2 points Why is a literature review important in addressing a research problem? It provides an exhaustive list of all possible research methods It helps to identify existing gaps and understand the current state of knowledge on the topic It is required to publish the research findings It ensures that all data is collected before starting the

Three integers are read from input as variables id 1 to id 3 . Declare a vector of three integers named idListings. Initialize the elements with the variables id 1 to id 3 in the order the input integers are read. Ex: If the input is 8 2 2 7 , then the output is: 8 2 2 7

Which of the following equations are true for all operators An and Bn and all functions f and g ? ( a ) 1 An + Bn 2 f = Anf + Bnf; ( b ) An 1 f + g 2 = Anf + Ang; ( c ) 1 Anf 2 > f = An , provided f ! 0 ; ( d ) AnBnf = BnAnf; ( e ) Anf = fAn ; ( f ) 1 Bnf 2 g = Bn 1 fg 2 ; ( g ) Bn 1 fg 2 = Bn 1 gf 2 ; ( h ) 1 Bng 2 f = f 1 Bng 2 .

Please use 2 - 3 sentences to summarize the main takeaways from Purposeful Analytics, from The Power of People by Nigel Guenole, Jonathan Ferrar, & Sheri Feinzig

A security administrator has identified a new Zero - day vulnerability in the company's operating system. The administrator is responsible for addressing the vulnerability in the most efficient way possible. What action should the administrator take to address the vulnerability? answer Deploy a patch immediately without testing. Wait until the

As the semester progresses, we will work more with R , a statistical programming language. To get you started using R , write a short R code that does the following: ( a ) Read the excel file into R studio. Hint, you need to load a package, and I suggest you read in the un - edited Excel file. [ 1 point ] 3 ( b ) Filter the data frame to include

Is L ( ( a a + b ) * * ) the same language as L ( ( b + a a ) * * ) ?

Shape Hierarchy Objective: Develop a hierarchy of shape classes demonstrating inheritance and polymorphism in object - oriented programming. Task Overview: Create a base class named Shape and derive various specific shape classes from it ( e . g . , Circle, Rectangle, Triangle ) . The lab will illustrate how inheritance allows for shared

What is the operator used to mask a particular bit Group of answer choices AND Operator XOR Operator OR Operator none of them

If an NFA - \ lambda has n states, where n > = 1 , then what is the maximal number of states in an equivalent DFA?

A laptop's form factor includes its operating system, shape, and hardware features. True or False

P 3 . What is a control hazard, and give an example in MIPS with proper notation in 5 stage pipelines? ( 1 0 )

The first line of the script has to have _ _ _ _ _ _ _ _ _ _ to ensure that a script will be run in C shell ( csh ) . / usr / bin / csh ~ / csh # ! / bin / csh profile

Switch a thread context is _ _ _ _ _ _ . Question 1 7 Answer a . harder in user - level threads compared with kernel - level threads b . none of these c . easier in kernel - level threads compared with user - level threads d . easier in user - level threads compared with kernel - level threads e . easier in kernel - level threads compared with

What type of module interface for Pam is used to set a policy such as the time - of - day that I user can log in ?

Enter the format abbreviations in the fields that match their description. OpenC 2 VERIZ TAXII STIX An application protocol for exchanging cyber threat intelligence over HTTPS . A set of metrics designed to provide a common language for describing security incidents in a structured and repeatable manner. Next > A format for documents,

write a G code and M code ?

Let = { , } , and consider the language = { : doesnotcontain } over . There are two parts to this problem: Problem 2 . 1 [ 5 points ] . Show that is regular by constructing a DFA which recognizes it . Problem 2 . 2 [ 5 points ] . Show that is also context - free by constructing a CFG which gener ates it .

What is the old way of using stack smashing to execute arbitrary code?

Question 1 0 The ability of a computer information system to receive and transmit data from any other computer information system without loss of integrity, security, and accuracy on a consistent basis so that the information can be used in a meaningful way is termed Interoperability Infrastructure Longitudinal CIIRT

A valid "MasterCard" should have a signature panel with... Question 1 5 options: 1 ) A . the multicolored word "MasterCard" at a 4 5 degree angle and the last 4 digits of the account number printed in reverse italics. 2 ) B . nothing on it but the white space for the signature. 3 ) C . a multicolored " MC " printed at a 9 0 degree angle and the

A function F is defined such that it equals 1 when a 4 - bit input code is equivalent to any of the decimal numbers 3 , 6 , 9 , 1 2 , or 1 5 . Function F is 0 for input codes 0 , 2 , 8 , and 1 0 . Other input values cannot occur. Consider the inputs as A , B , C , and D . NOTE: This is a multi - part question. Once an answer is submitted, you will

Interpret how business intelligence tools can be used to anticipate market trends, optimise IT operations, and drive innovation.

sort the list a [ ] = { 2 0 , 1 3 , 4 , 3 4 , 5 , 1 5 , 9 0 , 1 0 0 } a ) heap sort ( insert the elements of the array into a minheap and delete them from the Minheap into the same array ) . Just show the steps and no need to write any algorithms b ) what is the worst - case scenario of Merge - sort? explain. c ) explain the average case of

A KPI is . . . Show the progress toward realizing the company's objectives Evaluate Company "Health" Differs by the organization, industry, and business function All of the above A Metric

What is the number of TP ( True Positives ) ? 4 5 0 4 0 0 1 0 0 5 0

How do you track unexpected costs during project execution

You will continue to develop your Assignment 1 website throughout the course. You are to hand in work from the following 4 chapters and upload as one complete zip file to the Moodle website. Call your zip folder by your name with Asg 2 ( CatherineMaydanAsg 2 . zip ) You can use your Assignment 1 with Contact Page or the starter files which has

Write in c + + as max optimized as possible this task for AI subject : Use only standart c + + libraries: The idea must be implemented detaily; The game starts with a square board consisting of tiles numbered from 1 to N and one empty tile, represented by the number 0 . The goal is to arrange the tiles in numerical order. Movement is done by

Which protocol defines how data to be sent over the Internet is first broken down into packets? Question 1 8 options: IP FTP HTTP TCP

IN Microsoft Access How many subtotal errors have been made on the Warehouse Distribution Channel after Jan 1 st , 2 0 1 0 , when you use the GBI dataset? Hint: Use the GBI dataset. Calculate the subtotals. Compare it with the revenue. Flag it if it is different than the revenue or not. Use Criteria for the warehouse purchases under Distribution

1 . Write a CFG for L = { a n b mc m | n , m 1 } . 2 . Construct a PDA for L = { a n b n | n 2 } .

For the problems which involve writing R code, you will need to submit the R markdown file and outputted pdf to Canvas. See additional instructions below regrading other files to be submitted. Be sure to include your name in the header of your RMD program. 1 . Create a function that takes a vector of numbers and returns either the median of the

What type of monitoring compares network traffic, activities, transactions, or behavior against a database of known attack patterns?

The collection of dynamic links present in the stack at a given time is known as _ _ _ _ _ Question 1 5 options: A . Dynamic chain B . Static chain C . Function chain D . Call chain

Which of the following are differences between primary memory and secondary storage? ( Select all that apply ) Question 1 Answer a . Secondary storage is faster than primary memory b . Primary memory interacts directly with the CPU, while secondary storage does not. c . Data in secondary storage must be transferred to primary memory for CPU

Underfitting occurs when a model is: Memorizing noise in the training data Perfectly balanced between simplicity and complexity Too simple to capture the underlying patterns in the data Too complex to capture the underlying patterns in the data

Discuss the significance of container orchestration technologies. What are the key features and benefits of these orchestration platforms? Given examples

What is output if the code is executed to search for the letter ' A ' ? def Find ( list , ele, low, high ) : if high > = low: mid = ( high + low ) / / 2 if list [ mid ] = = ele: return mid elif list [ mid ] > ele: return Find ( list , ele, low, mid - 1 ) else: return Find ( list , ele, mid + 1 , high ) else: return - 1 listOfLetters = [ ' B ' , '

Question 6 1 pts What is the value of False AND False? True False

Formula Translation, | x - y |

For the following case - control data, what is an appropriate measure of association? CaseNon - CaseTotalExposed 2 5 4 0 6 5 Not exposed 1 7 8 9 1 0 6 Total 4 2 1 2 9 1 7 1 Here is the SAS data statement: DATA A; INPUT Exposed Outcome Count; DATALINES; 1 1 2 5 1 2 4 0 2 1 1 7 2 2 8 9 ; A . 1 . 5 9 B . 6 . 7 2 C . 9 . 7 6 D . 3 . 2 7

2 . 1 0 . 2 : Boolean in branching statements.

Develop a python program to scan ports of a remote host.

Which one of the following statements is false? Group of answer choices The operating system plays a role in controlling access to system resources to provide a high level of security against unauthorized access to the users' data and programs as well as record who is using the system and for how long. Computers may access both primary memory and

IP addresses traditionally have been 3 2 bits in length. This is a very large number and is sufficiently large to represent all devices on the Internet. True False

VIP networks must be routable to an external peer using _ _

Passive interfaces prevent EIGRP updates out a specified router interface Question 4 1 options: TrueFalse

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