Understanding Number Systems(COAL 15-10-2024)

What is the decimal equivalent of binary 1010?

• 11

• 1011

• 8

• 10

Which of the following is the correct hexadecimal representation of decimal 255?

• F0

• FE

• FF

• FF0

What is the binary equivalent of decimal 13?

• 1001

• 1110

• 1010

• 1101

What is the result of adding binary 1101 and 1011?

• 11001

• 11000

• 10100

• 11100

What is the decimal equivalent of the binary number 1111?

• 10

• 15

• 16

• 14

How do you convert the decimal number 45 to binary?

• 101010

• 110101

• 100111

• 101101

Which of the following is not a valid binary number?

• 1020

• 102

• 201

• 1102

What is the decimal equivalent of hexadecimal 1C?

• 24

• 32

• 30

• 28

What is the result of subtracting binary 1010 from 1100?

• 10

• 11

• 01

• 100

What is the hexadecimal equivalent of decimal 64?

• 50

• 30

• 70

• 40