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2.3.4 Two’s Complement Arithmetic

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

What is the primary purpose of the 2's complement process in digital electronics?

a)

To design a subtract-er circuit

b)

To convert a positive number into its negative equivalent

c)

To multiply binary numbers

d)

To divide binary numbers

2.

In a signed binary number system, what does the most significant bit (MSB) represent?

a)

The magnitude of the number

b)

The sign of the number

c)

The base of the number

d)

The parity of the number

3.

How do you create a negative number in an 8-bit binary system using 2's complement?

a)

Add 2 to the binary number

b)

Add 1 to the binary number

c)

Invert all bits and add 1

d)

Invert all bits and subtract 1

4.

What is the 2's complement of the binary number 00000101?

a)

11111011

b)

11111101

c)

11111010

d)

11111110

5.

Which of the following is NOT a step in the 2's complement process?

a)

Subtract 1 from the original number

b)

Invert all bits

c)

Use the result for arithmetic operations

d)

Add 1 to the inverted bits

6.

In a 3-digit decimal number system, how are negative numbers represented using compliments?

a)

Using a minus sign

b)

Using numbers 500 to 999

c)

Using numbers 001 to 499

d)

Using numbers 000 to 499

7.

What happens if you disregard the overflow in binary addition?

a)

The result remains unchanged

b)

The result is incorrect

c)

The result is always positive

d)

The result is always negative

8.

How do you check the result of a 2's complement operation?

a)

By inverting all bits of the result

b)

By performing 2's complement on the result

c)

By subtracting 1 from the result

d)

By adding 1 to the result