2.1.3 2.1.4 Binary - Logical shift

What is the 8-bit binary equivalent of the denary number 85?

• 01010001

• 01010101

• 01101001

• 01101100

Convert the 8-bit binary number 11001100 to its denary (decimal) equivalent. Assume it is an unsigned binary number.

• 206

• 192

• 204

• 156

What is the 8-bit two's complement representation of the denary number -35?

• 11011101

• 11011001

• 11101101

• 11010011

Convert the 8-bit binary number 10101011 to its denary equivalent, assuming it is a two's complement signed number.

• -85

• 85

• -43

• 171

What is the result of adding the 8-bit binary numbers 01100110 and 00011001?

• 01111111

• 01111101

• 10011111

• 10000000

If you perform a logical left shift by 1 on the 8-bit binary number 00111010, what is the result?

• 01110100

• 11110100

• 01111010

• 00111101

What happens to the binary number 11110001 when you perform an arithmetic right shift by 1?

• 01111000

• 01111001

• 11111000

• 11111001

When you add two 8-bit binary numbers, and the result requires 9 bits, what is this situation called?

• Underflow

• Overflow

• Bitwise inversion

• Sign extension

What is the result of performing an arithmetic left shift by 1 on the 8-bit binary number 10011001?

• 00110010

• 00110011

• 00010011

• 00110010

How would you represent the denary number 127 in 8-bit two's complement binary?

• 01111110

• 10000000

• 01111111

• 11111110