H446_6_Data Types and Number Systems

What is a primitive data type?

• A complex data structure

• A basic data type provided by a programming language

• A type of software application

• A type of hardware component

Which of the following is an example of an integer?

• 3.142

• "123"

• -25

• TRUE

What is the base of the binary number system?

• 10

• 16

• 2

• 8

Which of the following is a Boolean value?

• 3.5

• "Hello"

• TRUE

• 100

What does the hexadecimal number system use in addition to numbers 0-9?

• Letters A to F

• Letters G to L

• Letters M to R

• Letters S to Z

Diagram showing the denary number system with columns for 1000s, 100s, 10s, and 1s, and an example calculation of 5074. What is the value represented by the number 5074 in the denary system?

• Five thousand seventy-four

• Five hundred seventy-four

• Fifty-seven hundred four

• Five thousand seven hundred forty

Convert the binary number 0011 1001 into denary.

• 57

• 49

• 61

• 45

Convert the binary number 1111 1111 into denary.

• 255

• 256

• 254

• 253

Convert the denary number 37 into binary.

• 100101

• 100011

• 101001

• 110101

Convert the denary number 100 into binary.

• 1100100

• 1010100

• 1110000

• 1001100