MCQ Questions

Chapter

Question No. 1

Add or subtract the given binary numbers.

Answer :

a) 10111 − 10011

b) 10111 − 01000

c) 11111 − 01000

d) 11000 − 11111

e) 11111 + 10100

f) 10100 + 01010

Question No. 2

Find x in each of the following, where x is a binary number.

Answer :

a) x + 111 = 11110

b) x + 11110 = 10001

c) x − 10 = 101

d) x + 11 = 1101

Question No. 3

Given the binary numbers 11101₂ and 1110₂.

Answer :

a) Convert the two binary numbers to base 10.

b) Add the two base 10 numbers in the result above together.

c) Add the two binary numbers together.

Question No. 4

Multiply the following binary numbers.

Answer :

a) 1100 × 10

b) 11111 × 10

c) 1101 × 11

d) 10011 × 101

e) 101101 × 111

f) 10101 × 10001

Question No. 5

Divide the following binary numbers.

Answer :

a) 101110 ÷ 100

b) 100110 ÷ 101

c) 10100 ÷ 10

d) 1100 ÷ 100

Question No. 6

Multiply 23 by 35.

Answer :

a) Convert your answer to a binary number.

b) Convert 23 and 35 to binary numbers.

Question No. 7

Copy and complete the table on the right for addition in base 3.

Answer :

Question No. 8

Copy and complete the table on the right for addition in base 4.

Answer :

Question No. 9

Construct a table for addition in:

Answer :

a) base 6

b) base 8

c) base 9

Question No. 10

Calculate the following in base 3.

Answer :

a) 21₃ − 12₃

b) 11₃ + 12₃

c) 10₃ + 11₃

d) 102₃ − 101₃

Question No. 11

Calculate the following in base 4.

Answer :

a) 13₄ + 22₄

b) 33₄ − 22₄

c) 123₄ + 311₄

d) 132₄ + 213₄

Question No. 12

Calculate the following in base 8.

Answer :

a) 76₈ + 54₈

b) 474₈ + 255₈

c) 2404₈ + 375₈

d) 5766₈ + 4676₈

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