1.4.1 Data Types

The Binary Integer 01001101 is represented in Denary as:

• 73

• 75

• 77

• 79

5.23 would be stored as:

• Integer

• Real Number

• String

• Character

• Boolean

What is the binary number 0111 1101 in hexadecimal?

• AC

• 9C

• 9D

• 8B

What is the Hexadecimal number 7C in denary?

• 83

• 123

• 141

• 124

What is an integer?

• A number

• A positive number

• A whole number

• A number with a decimal part

Which of these is a floating point number?

• 3

• 3.0

• 7

• 5.6

Which of these cannot be accurately stored as a floating point number?

• 1/8

• 2/3

• 4.00000000000000000001

• 4/4

• 17/9

Which one of these binary numbers is the normalised form of 6.5?

6.5 = 00000110.1

• 0.1011 0011

• 0.1101 0011

• 1.1001 0010

• 1.1010 1010

Convert 0x7A into binary

• 0b0111 1010

• 0b1001 1010

• 0b0101 1111

• 0b0111 1011

Convert 0b01010001 into denary

• 101

• 127

• 81

• 57