1.2c - Binary, Characters, Images, Compression (Revision Quiz)

Convert this binary number to denary

11001

Convert this binary nibble to hexadecimal

1100

Convert the hexadecimal digit F into binary

Which of the following is the binary number for 8B

• 11110011

• 00011011

• 10001011

• 10000111

Carry out a 3 place left shift on the binary number:

00110101

(Write your answer as an 8 BIT number!)

Carry out a 2 place left shift on the binary number:

00110111

(Write your answer as an 8 BIT number!)

Carry out a 3 place right shift on the binary number:

10111101

(Write your answer as an 8 BIT number!)

What is the effect of a 3 place left shift on a number?

• x2

• x4

• x6

• x8

• x16

How many bits is used to represent each character in ASCII?

How many bits is used to represent each character in the Unicode character set?

• 16

• 8

• 4

• 24