Explain the concept of abstraction in programming languages.

Abstraction is the process of hiding the complex implementation details and showing only the necessary features of an object or function.

What is the role of DNS in internet protocols?

Translating domain names into IP addresses

What is the function of a compiler in programming languages?

Translates high-level code into machine code

What is the function of UDP in internet protocols?

Providing connectionless communication

What is the difference between IPv4 and IPv6?

IPv6 supports more IP addresses than IPv4.

What is the purpose of a loop in programming languages?

To execute a block of code multiple times

What is the function of a router in a network?

Routing data to the correct destination

What is the purpose of a variable in programming languages?

To store data that can be used and manipulated within the program

What is the function of a firewall in a network?

To prevent unauthorized access to or from a private network

A team of programmers is designing software. One portion of the project presents a problem for which there is not an obvious solution. After some research, the team determines that the problem is undecidable. What is the consequence of the problem being undecidable?

There is no possible algorithm that can be used to solve all instances of the problem.

A student has a data file containing 10,000 numerical values. The student is writing a program to compute the average of the numbers contained in the file. Which procedure is most likely to be useful in the student’s program? Options: A procedure that returns "true" if the file contains any duplicate values and returns "false" otherwise, A procedure that returns the sum of the values in the file, A procedure that returns the sum when adding one value to another, A procedure that returns the quotient when dividing one value by another.

A procedure that returns the sum of the values in the file

What is the purpose of DNS?

It returns the IP address given the name of a website.

Transmission Control Protocol (TCP):

Provides reliable, ordered, and error-checked delivery of a stream of packets on the internet

Breaks messages into packets and addresses them.

Which of the following statements about packets is true? Options: Packets must be sent in order so they can be reassembled at the end host., Packet switching results in a sustained, single connection between two hosts., All packets must pass through a centralized router to be verified., None of these statements are true.

None of these statements are true.

What was the main problem that IPv6 was created to solve? IPv6 would allow problems with IPv4's address hierarchy to be resolved, 32-bit addresses could not ensure that every internet-connected device can receive a unique IP address, 32-bit addresses could not accommodate the increased size and amount of data traveling on the Internet as it has grown in popularity, IPv4 proved unreliable in some cases where network redundancy could not be ensured

32-bit addresses could not ensure that every internet-connected device can receive a unique IP address.

Which of the following best describes the basic idea of fault tolerance? Options: A system that never fails, If part of the system fails, the operation continues without interruption, A program that does not allow inputs out of a range given by a programmer, A program that does not allow loss of precision

If part of the system fails, the operation continues without interruption

How can you tell if a website is secure?

You'll see a lock in the address bar.

Protocol used by web browsers to communicate with the web server and fetch the webpages that you see

Which of the following best explains what happens when a new device is connected to the Internet? A device driver is assigned to the device, An Internet Protocol (IP) address is assigned to the device, A packet number is assigned to the device, A Website is assigned to the device

An Internet Protocol (IP) address is assigned to the device

24-25 APCSP Review: Fall Final Exam Flashcards

Student preview

178 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the base of the binary number system?

Back

2

2.

FLASHCARD QUESTION

Front

How many bits are in a byte?

Back

8

3.

FLASHCARD QUESTION

Front

What is the purpose of an algorithm in computer science?

Back

To solve problems and perform specific tasks.

4.

FLASHCARD QUESTION

Front

What is the function of TCP in internet protocols?

Back

Ensuring reliable transmission of data

5.

FLASHCARD QUESTION

Front

What is the value of the binary number 1010 in decimal?

Back

10

6.

FLASHCARD QUESTION

Front

What is the difference between analog and digital data representation?

Back

Analog data is continuous and represented by physical quantities, while digital data is discrete and represented by binary digits.

7.

FLASHCARD QUESTION

Front

What is the purpose of IP addresses in internet protocols?

Back

To uniquely identify devices on a network and enable communication between them.

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