ICAS Digital Systems and Programming 2

Question 1

Which data type would you use to store the value 3.14 in most programming languages?

Accepted Answer

float

Answer

A float (floating-point) data type stores decimal numbers like 3.14.

Question 2

What does a 'while' loop do in programming?

Accepted Answer

Repeats code as long as a condition is true

Answer

A while loop repeatedly executes its block of code as long as the specified condition remains true.

Question 3

In binary, what is the value of 1101?

Accepted Answer

13

Answer

1101 in binary equals 8+4+0+1 = 13 in decimal.

Question 4

What is the purpose of an 'if-else' statement?

Accepted Answer

To make decisions based on a condition

Answer

An if-else statement executes one block of code if a condition is true, and another block if it is false.

Question 5

Which of the following best describes a computer network?

Accepted Answer

Two or more computers connected to share resources

Answer

A network is two or more connected computers that can communicate and share resources like files and printers.

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