5. A 4:1 and 8:1 multiplexer requires data select line respectively:

A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 4 and 8

Answer . B. 2 and 3

Tag . 3 Digital Logic Design 3

16. The complement of the exclusive OR function is:

A. AB + AB'
B. A'B + A
C. AB + AB'
D. AB + AB

Answer . B. A'B + A

Tag . 3 Digital Logic Design 3

17. Which IC is a quad two-input OR gate?

A. 74LS32
B. 74LS00
C. 74LS04
D. 74LS08

Answer . A. 74LS32

Tag . 3 Digital Logic Design 3

30. Which number system is commonly used in digital systems?

A. Hexadecimal
B. Binary
C. Decimal
D. Octal

Answer . B. Binary

Tag . 10 Digital Logic Design 3

31. For a 4M-bit chip organization with a total of 19 external connections, how many address lines are there if 8 data lines are present?

A. 8
B. 9
C. 5
D. 2

Answer . B. 9

Tag . 10 Digital Logic Design 3