ICAS Programming and Digital Systems 4

Question 1

What is the function of a CPU (Central Processing Unit)?

Accepted Answer

Process instructions and perform calculations

Answer

The CPU is the primary component that executes program instructions and performs arithmetic and logic operations.

Question 2

Which of the following is a characteristic of a 'for' loop?

Accepted Answer

It iterates a specific number of times

Answer

A for loop is typically used when the number of iterations is known in advance, controlled by a counter variable.

Question 3

What is the hexadecimal equivalent of the decimal number 16?

Accepted Answer

10

Answer

Decimal 16 equals hexadecimal 10, because hex 10 means 1×16 + 0 = 16.

Question 4

In networking, what does 'IP address' stand for?

Accepted Answer

Internet Protocol address

Answer

IP stands for Internet Protocol, and an IP address uniquely identifies a device on a network.

Question 5

What is a function in programming?

Accepted Answer

A reusable block of code that performs a specific task

Answer

A function is a named, reusable block of code designed to perform a particular task when called.

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