Alsager - PCS Block 2

What is the maximum positive value that can be represented in an 8-bit two's complement format?

• 127

• 128

• 255

• -128

What is the minimum negative value that can be represented in an 8-bit two's complement format?

• -127

• -128

• -255

• 0

When adding binary patterns in two's complement, how is it similar to adding unsigned numbers?

• The result is always positive

• The four rules for addition are the same

• The binary patterns change

• It requires a different set of rules

What is the decimal result of adding the two's complement binary numbers 00001111 and 11101101?

• +2

• -5

• +7

• 0

What is the effect of a logical left shift operation on a binary number's value?

• Divides the number by 2

• Multiplies the number by 2

• Subtracts 2 from the number

• Adds 2 to the number

What happens to the most significant bit (MSB) during a logical left shift operation?

• It is shifted right

• It remains unchanged

• It is shifted left and out of the pattern

• It is replaced by a 1

What is placed into the vacated location on the right (LSB) after a logical left shift operation?

• A 1

• The value of the MSB

• A 0

• The operation is invalid; nothing is placed

What does LSB stand for in the context of binary numbers?

• Largest Significant Bit

• Least Significant Byte

• Least Significant Bit

• Last Significant Binary

What does MSB stand for in the context of binary numbers?

• Most Significant Byte

• Most Significant Bit

• Middle Significant Bit

• Maximum Significant Binary

What is always inserted into the vacated MSB during a logical right shift?

• 1

• 0

• The LSB value before shifting

• A random bit