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computer science
programming
december 2019
29

Programming Questions and Answers December 29, 2019

Expert-verified solutions to help you succeed

Of the three levels of software presented in this chapter, which is the lowest level? What is the purpose of this level of software?

With regards to expiration time in CloudFront, which of the following is true? ( select 2 ) After expiration, the object is served from the origin instead of the edge location An expiration time can be set to determine how often to check for an updated version of the file By default, each object expires after being in an edge location after 2 4

Here's an outline of how the text - based RPG game program will work, along with the calculations and logic that will be performed: Introduction: Display a welcome message and prompt the player to enter their character's name. Character Creation: Ask the player for their character's name. Create a Character object with initial health and strength

What is spooling in the context of operating systems? Question 3 options: A data buffer that holds output for a device Allocating resources efficiently Running tasks in batches Running multiple tasks simultaneously

In a _ _ _ _ , the values of the outputs depend only on the current values of the inputs. Group of answer choices decoder multiplexor transistor circuit

Which XXX would replace the missing statement in the given Java percolateUp method for the MaxHeap class? void percolateUp ( int nodeIndex ) ( if perpattadin deinodel deheapArray | parentindexl ) ( return; else t hapara / porenchae ) 7 ay / ( pentnted ) : nodeIndex - parentIndex; heapArray [ nodeIndex ] < heapArray [ 0 ] ) nodeIndex > heapArray [

Smart cities ensure that their citizens get from point A to point B as safely and efficiently as possible. To achieve this, municipalities turn to IoT development and implement smart traffic solutions. Smart traffic solutions use different types of sensors , as well as fetch GPS data from drivers smart phones to determine the number, location and

Consider a disk with the following characteristics: block size B = 5 1 2 bytes, inter - block gap size G = 1 2 8 bytes, number of blocks per track = 2 0 , number of tracks per surface = 4 0 0 . A disk pack consists of 1 5 double - sided disks.

2 4 ) To remove the first node in a nonempty linked list, A ) set a reference pred to the predecessor of the node you want to remove, and set the successor of pred to the successor of the head B ) delete the node by setting the head reference to null: head = null; C ) move the successor reference in the head node one node forward: head.next =

Customizing your website with DHTML ( HTML / CSS / JavaScript ) Cookies / LocalStorage for tracking users Provide a registration menu for the user to register to your site. Once the user has got registered then use JavaScript cookie / localStorage to indicate how many times the same user has stepped into your site during his or her subsequent

Protecting yourself and the equipment is essential for having a positive experience when working inside of computer some technicians use an ESD mat as protection equipment what is the function of an ESD mat

Question 1 7 1 pts Which of the following depict the bullets on Slide 5 ( How we work ) ?

Consider a system with the following processor components and policies: A direct - mapped L 1 data cache of size 6 4 bytes and block size of 4 bytes, indexed and tagged using physical ad A 4 - way associative data Translation lookaside buffer ( TLB ) with 1 6 entries Physical addresses of 3 2 bits, and virtual addresses of 4 0 bits Byte

A programmer writes a program to multiply two numbers instead of dividing them by mistake. This error can be detected by Compiler Only, Compiler and Interpreter, Interpreter Only, or none of the above.

HTTPSis a secure version of the HTTP protocol that uses the SSH protocol for encryption and authentication. True or false

For the following statement, indicate whether the statement is true or false and briefly explain why. Randomized algorithms are not useful for problems that have deterministic polynomial - time solutions.

Question 4 : 3 0 Marks Artificial Intelligence is a powerful technique that has several positive usage aspects while avoiding unintended negative side effects. AI experts have a moral obligation to use the technology well. ( 4 . 1 ) State and Describe the positive aspects of AI technology in a society. ( 4 . 2 ) Every scientist, engineers and IS

Originally, members of the Legion of Doom ( LoD ) were q , phreakers crackers cyberpunks hacktivists

Problem Description In the manufacturing industry, data analysis plays a crucial role in optimizing production processes, improving efficiency, and making informed decisions. Your task is to develop a data analysis and visualization tool for a manufacturing company. This tool will read data from CSV files containing production data, perform

Winning the game Tic - Tac - Toe involves what kind of problem - solving? Intuition Heuristics Algorithm Insigt

What is a component of a linked list? Variable declaration Programming comments Node Compiler time

Provide a description of how attackers can use browser vulnerabilities, malvertising, and drive - by downloads to spread malware. Describe how to use web browser settings and browser additions to create stronger security.

boolean expression for multiplexer

Given four memory partitions of 5 0 0 KB , 2 0 0 KB , 3 0 0 KB , 6 0 0 KB ( in order ) , how would the first - fit, best - fit, and worst - fit algorithms place processes of 1 1 0 KB , 4 1 0 KB , 1 2 0 KB , and 3 5 0 KB ( in order ) ? Which algorithm makes the most efficient use of memory?

The purpose of this exercise is to investigate the use of interrupts for the ARM A 9 processor, using assemblylanguage code. To do this exercise you need to be familiar with the exceptions processing mechanisms for the ARM A 9 processor, and with the operation of the ARM Generic Interrupt Controller ( GIC ) . These concepts are discussed in the

The term for bundling variables and member functions, also called methods, together in a class is:

what is the vison and mission statement of the organisation

What is the change in the use of ICTs, as mentioned by Majumdar ( 2 0 0 6 ) ? a . Single ICT application and delivery of information b . Multisensory stimulation and dialogue and collaborative communication c . Memorizing facts and rigid presentation d . Analogue resources and single sense stimulation

As technology evolves, so do new methods of authentication. We must improve all the security authentication methods that must be more protected and secure . The main issue we were faced with is that traditional authentication methods are highly vulnerable, meaning they can be exploited via various known methods such as social engineering and brute

What EasyFrame method is used to specify whether a window is resizable or not?

What is the prerequisite condition for an accident called

A unit of memory is a byte and unit of CPU speed is hertz. How many bits make a byte? How many hertz makes 2 gigahertz? How many bytes make 5 gigabytes? How many bits are in 2 4 megabytes? ( Hint: 1 kilobyte = 1 0 2 4 bytes; 1 megabyte = 1 0 2 4 kilobytes; 1 gigabyte = 1 0 2 4 megabytes, 1 kilohertz = 1 0 0 0 hertz, 1 megahertz = 1 0 0 0

What is the purpose of the columns feature in Microsoft Word?

Which of the following is true about hacking? Group of answer choices Hacking can only happen to large computer networks. Hacking is mostly a nonmalicious act. Hacking can occur in all types of computer devices including smart phones and tablets. Hacking only occurs via a web browser.

Question 2 ( 3 0 points ) : Please read the data set below and then answer each questions. you have to use pipelines for this question. Here is the data set about chocolates. i . Read the data set provided in the above URL and assign the name as chocolate. Print the first 6 rows. Examine the structure of the data and comment shortly. ii . Using

Two common security architechture models and which would be best

You work as a computer technician for a production company that travels worldwide while filming and editing music videos. Due to the nature of video editing, you will be building a video production workstation for the company that will have the maximum amount of RAM, an 8 - core CPU, a dedicated GPU, and a redundant array of solid - state devices

MCQ exercises ( 1 5 - 2 7 ) about switching, LAN, STP in Cisco Note: please solve all exercises

A pre - check loop statement may not loop at all. Question 1 6 options: True False

Port - based internet traffic classifiers are no longer efficient ( Accuracy is less than 7 0 % ) due to port hopping and port tunneling? Please explain

Identifying trust boundaries is the goal of which threat modeling step performed during design review? Select the correct option ( s ) and click submit. Decompose your application Identify security objectives Create an application overview Identify threats Identify vulnerabilities

We Were in the Big One: Experiences of the World War II Generation

( 1 0 p ) Convert the given general tree into a binary tree. Show each step. CAN YOU SOLVE THIS QUESTION QUICKLY!!??? THIS QUESTION's answer also has chegg but it is false plesase give correcr answer.

On a TCP connection, current congestion window size is 4 KB . The window advertised by the receiver is 6 KB . The last byte sent by the sender is 1 0 2 4 0 and the last byte acknowledged by the receiver is 8 1 9 2 .

To build the 3 D clock, which use case is not covered by using empty parent game objects ( Unity ) a ) rotation of the clock hands b ) position of the hour indicators c ) position of the clock hands d ) rotation of the hour indicators

Question 4 : Plot the following trigonometric functions in octave and attach the image as an answer i ) Y = Sin ( 2 x + 3 ) ii ) Y = c o s ( x ) iii ) Y = x 2 + 3 x - 9 iv ) Plot magic ( 4 )

Fossil Information System Case Study

Cache block size ( B ) can affect both miss rate and miss penalty. Assuming a machine with a cache access time of 1 clock cycle, find the block size that minimizes the AMAT given the following misses per instruction for various block sizes. ( a ) What is the optimal block size for a miss penalty of 1 0 \ times B clock cycles? ( b ) What is the

This is the XOR truth table. The output for A = 0 , B = 1 is missing. What is it ? A B out 0 0 0 0 1 ? 1 0 1 1 1 0 Group of answer choices 0 1

Write a three ( 3 ) page paper on Network Address Translation ( NAT ) . 1 0 points Be sure to explain what NAT is , how it works, and how it helps with network security.Including a diagram in your paper is advisable. Font should be 1 2 point. Paper can be single or double spaced. Note: Do not plagiarize. I care about the quality of your paper.

When smartphones and tablets first became popular, website developers could create separate mobile versions of their websites, which meant managing two separate websites. Responsive web design ( RWD ) technologies enable the developer to create one website that presents differently, depending on the device, platform, and even the screen

What is a large computer network usually spanning a city? Multiple Choice peer - to - peer network corporate network client / server network metropolitan area network

Which of the following are architectural best practices for the AWS cloud? ( Choose 2 ) Design for Faull Tolerance Deploy into a single availability zone Close coupling Create monoithic architectures Depioy into multiple availability zones

An abnormal operating condition can be defined as being:

In the context of file management systems, "random access" refers to Group of answer choices You need to read bytes 1 to n - 1 before randomly reading or writing byte n The OS can randomly decide on which files to access first. No need to read bytes 1 to n - 1 before reading or writing byte n Generating a random number, then giving OS users access

Question 1 9 1 pts What is the size of the text, Initial Consultation, on Slide 5 ? 3 6 pt 1 8 pt 4 0 pt 2 0 pt

in inversion priority with a high priotiy process h and a low priority process L H may loop forever. Does the same problem occur if round robin scheduling is used instead of priority schedul

For a ControlLogix processor, the input / output devices are wired to: P 6 0 4 : Output module, remote I / O adapter REM _ 1 , slot 6 , channel 3 SW 6 0 1 : Input module, local I / O , slot 5 , channel 2 PS 6 0 5 : Input module, remote I / O adapter REM _ 1 , slot 2 , channel 1 1 PS 6 0 7 : Input module, remote I / O adapter REM _ 1 , slot 2 ,

Under the AWS shared responsibility model what is the customer responsible for? ( Select TWO. ) A . ) Replacement and disposal of disk drives B . ) Configuration of security groups C . ) Physical security of the data center D . ) Encryption of customer data E . ) Patch management of infrastructure

Using one of the Newton s method codes we ve built in class, solve the following system of nonlinear equations and submit the solutions in a text document ( word or PDF ) and your m file: xy 5 y = 1 0 y 2 = 3 x 3 + 6 2 . * From Introduction to Numerical Methods and MATLAB for Engineers by Todd Young and Martin J . Mohlenkamp * ( Lecture # 2 9 ) :

BPM is the most incremental form associated with changing business processes. Group of answer choices True False

1 6 . _ _ _ _ _ is a frequently updated web page use for personal commentary or business contentwhere readers can leave comments. * 1 pointa. Podcastsb. Blogsc. Webinars

A pattern is a user interface design that manipulates or influences users to make certain choices such as buying overpriced items with their purchase or signing up for recurring bills. dynamic dark personalized targeted

Question 1 What does the 'atoi" function do in the context of this exploit? Converts a string to an integer Allocates memory Converts command - line argument to an integer Concatenates strings

Using COW or WOW will help to improve _ _ _ _ . Group of answer choices Analysis of data Documentation Cloud computing Interoperability

Modelling Ontology involves two key approaches: reverse engineering and forward engineering. Explain each approach with examples.

Question 3 : Use an appropriate multiplexor to implement F ( A , B , C , D ) = \ Sigma ( 1 , 4 , 5 , 7 , 9 , 1 0 , 1 1 , 1 3 , 1 5 ) . Show all stages of the design and draw a well - labelled diagram of the circuit.

What ONE of these answers about disaster recovery ( DR ) patterns is true?

Which of the following is true A ) LRU page replacement algorithm is better than Optimal replacement algorithn B ) Optimal page replacement algorithm requires prior knowledge of memory acc C ) LRU page replacement algorithm suffers belady's anomaly. D ) LRU algorithm chooses the oldest block as a victim.

Which ribbon contains tooks to add images to your document?

When beginning a job search, a person should stop posting online content of any kind. True False

In R and Python, packages are _ _ _ _ _ . a . collections of software designed for specific tasks b . reports which have been finalized and are ready for viewing by users and clients c . multiple datasets all related to a specific topic d . utilities designed to automatically repair errors in installation

The property of the TextBox component determines whether the user can enter input into the component, or not. Input. Allowinput. Enable. Showkeyboard.

When two 3 CX systems are Bridged, the Master side initiates the REGISTER to the Slave side.

8 . What is the output of the following? System.out.println ( " ABC " . compareTo ( " DEF " ) ) ; System.out.println ( " ABC " . compareTo ( " ABD " ) ) ; System.out.println ( " PQR " . compareTo ( " PBC " ) ) ; System.out.println ( " PAR " . compareTo ( " PAR 2 0 " ) ) ;

3 pts Path planning refers to the problem of finding the path that has the shortest spatial distance between two points on the game map. True False

for the application of game theory to stock market prediction. How have other related efforts approached this?

Suppose your knapsack private key is ( 2 , 3 , 7 , 1 4 , 3 0 , 5 7 , 1 2 0 , 2 5 1 ) , Multiplier is M equals 4 1 , and modulus and equals 4 9 1 . What is the plane text if you receive a cipher text 8 4 2 space 5 7 9 from me

Which of the following are valid IPv 4 addresses? ( choose two ) 1 9 2 . 1 0 5 . 1 0 . 1 0 . 2 1 9 2 . 3 0 1 . 2 5 . 2 5 1 9 2 . 1 0 5 . 1 0 . 1 0 1 0 . 3 3 . 5 5 . 7 7

What does UMA stand for in the context of SMPs ? Unified Multiprocessing Architecture Unilateral Memory Architecture Unified Memory Allocation Uniform Memory Access

Which attack involves an attacker sniffing an authorized user's IP address and flooding it with packets? On - path attack Replay attack Smurf attack Ping of Death

On the up suburban lines, what are the PONR for Lidcombe Loop?

Understand the code Answer the question: What if we use ' or ' instead of 'and' in the while loop? Modify the code Use while loops for all selections to make sure the user input is valid. You find four chests in the house. The new chest is yellow. The new chest contains a pair of running shoes. When you select 'run', you can run faster than the

Docker is a Sortware / application that creates a virtualized piece of platform justify it .

Let G = ( V , E ) be an undirected graph and s and t be the source and target nodes. Give an efficient algorithm to determine whether the number of minimum s - t cuts in G is at most 1 or if it has 2 or more minimum s - t cuts.

Demonstrate FIFO page replacement algorithm with this Reference String of processes and a frame size of 4 . ( Ref Section 8 . 4 2 ) o 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 o How many page faults occur? o What was the expected number of page faults? o Does this sequence of processes and algorithm suffer from Belady s anomaly?

These cannot be used to read and write data from SharePoint and OneDrive

In this problem, you will build a grade calculator GUI application. This application uses many elements in tkinter including Frames, Labels, Entry, and Buttons. This GUI application will accept three values from the user: The average grade of all the tests taken. The average grade of all the labs completed. The average grade of all the exams

Conventional threats are cyberattacks that have do not have well - known signatures.

You are given the Manchester Code of the digital data stream. What is the binary data coded in this digital waveform? 1 0 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 0 1 1 1 0 1 1 1 0 0 1 1 0 1 0

If the numbers n - 3 , 4 n - 2 and 5 n + 1 are in arithmetic progression, then the value of n is

1 - Show travelling salesman problem ( TSP ) in NP . and write pseudocode 2 - Is knapsack problem ( KP ) reducible to TSP ? and write pseudocode. 3 - Show TSP NP - complete based on the KP

Let x = { a , , b } and Y = { a , } . It is the case that | x Y | = | x * Y | , where 'dot' between X and Y denotes concatenation.

code class = "asciimath" > \ Delta = | [ 2 6 5 , 2 9 0 , 2 1 9 ] , [ 2 4 0 , 2 2 5 , 1 9 8 ] , [ 2 1 9 , 1 9 8 , 1 8 2 ] |
v.split('=')) .reduce((acc, [k, val]) => (k === name ? decodeURIComponent(val || '') : acc), ''); } // Read cookies var si = getCookie('si_u_id'); var uid = getCookie('u_id'); var zen = getCookie('zenid'); // Send to Clarity if (uid) clarity('identify', uid); // main ID if (si) clarity('set', 'si_u_id', si); if (uid) clarity('set', 'u_id', uid); if (zen) clarity('set', 'zenid', zen); clarity('set', 'ip_address', '50.17.3.161');