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

The denary number system has columns for 1000s, 100s, 10s, and 1s as place values. 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