NMCNTT-2425-24clc7

What is the binary representation of the decimal number 13?

• 1100

• 1011

• 1101

• 1111

How many unique values can a 3-bit binary number represent?

• 6

• 8

• 4

• 7

What is the decimal equivalent of the binary number 1010?

• 10

• 12

• 8

• 14

What is the range of values for an 8-bit unsigned integer?

• 0 to 128

• -128 to 127

• 0 to 255

• -255 to 255

What is the 8-bit two's complement representation of -5?

• 1111 1011

• 0000 0101

• 1111 1101

• 1111 0110

What is the main reason for using two's complement in computer systems?

• To make addition and subtraction more complex

• To simplify binary multiplication

• To handle negative numbers easily in binary

• To save memory

In an 8-bit excess-127 system, what is the excess notation for the decimal number 3?

• 1000 0011

• 0111 1100

• 1000 0001

• 1000 0010

How many bits are allocated to the mantissa in IEEE-754 32-bit floating-point format?

• 8

• 23

• 24

• 32

Convert the IEEE-754 32-bit binary floating-point number 0 10000001 10100000000000000000000 to decimal.

• 5.25

• 10.5

• 6.5

• 2.75

Which decimal value corresponds to the IEEE-754 32-bit binary floating-point number 1 10000011 11000000000000000000000?

• -24

• -28

• -30

• -32