ICAS Digital Systems and Programming 5

Question 1

Which of the following is true about an array in programming?

Accepted Answer

It stores multiple values of the same type under one name

Answer

An array is a data structure that holds multiple values, typically of the same type, accessible by an index.

Question 2

What is the purpose of a flowchart in problem solving?

Accepted Answer

To visually represent the steps of an algorithm or process

Answer

A flowchart uses symbols and arrows to visually map out the steps and decisions in an algorithm or process.

Question 3

What does 'phishing' refer to in cybersecurity?

Accepted Answer

A fraudulent attempt to steal sensitive information by pretending to be a trusted source

Answer

Phishing is a cyberattack where criminals disguise themselves as trustworthy entities to trick people into revealing passwords or financial information.

Question 4

In binary arithmetic, what is 101 + 011?

Accepted Answer

1000

Answer

101 (5) + 011 (3) = 1000 (8) in binary, since 5 + 3 = 8.

Question 5

What is the function of a router in a network?

Accepted Answer

To direct data packets between different networks

Answer

A router directs network traffic by forwarding data packets between computer networks, such as your home network and the Internet.

(ICAS) ICAS Practice Test

(ICAS) ICAS Practice Test

ICAS Digital Systems and Programming 5