Unit 2.1_2.4 Digital

3 X10¹ + 4 X 10⁰ is

• 0.34

• 3.4

• 34

• 340

The decimal equivalent of 1000 is

• 2

• 4

• 6

• 8

The binary number 11011101 is equal to the decimal number

• 121

• 221

• 441

• 256

The decimal number 21 is equivalent to the binary number

• 10101

• 10001

• 10000

• 11111

The decimal number 250 is equivalent to the binary number

• 11111010

• 11110110

• 11111000

• 11111011

The sum of 1111 + 1111 in binary equals

• 0000

• 2222

• 11110

• 11111

The difference of 1000 - 100 equals

• 100

• 101

• 110

• 111

The binary number 10001101010001101111 can be written in hexadecimal as

• AD467₁₆

• 8C46F₁₆

• 8D46F₁₆

• AE46F₁₆

The binary number for F7A9₁₆ is

• 1111011110101001

• 1110111110101001

• 1111111010110001

• 1111011010101001

The BCD number for decimal 473 is

• 111011010

• 110001110011

• 010001110011

• 010011110011