QUESTION 1
1. Which answer is an example of a product-of-sum (POS) expression?

X = ABC

X = AB + CD

X = (A + B)(C + D)

X = A + B + C

QUESTION 2

1. Which Boolean equation results from this Karnaugh map?

QUESTION 3

1. Which Boolean equation results from this Karnaugh Map?

QUESTION 4

1. Anything ANDed with a 0 is equal to

0.

1.

itself.

its complement.

QUESTION 5

1. To symbolize the inversion of the output signal, the logic gate has a bubble on the output line. Which of the following is the inversion of AND gate.

QUESTION 6
1. Solve this binary problem: 11001111 -01110000

01101111

01111111

01011111

10001111

QUESTION 7

1. Solve this binary problem: 00010111 + 00101001

01000000

00101111

01100000

00110011

QUESTION 8

1. Solve this binary problem: 101101 x 1011

1011011112

1111111112

1101011112

1111011112

QUESTION 9

1. Solve this binary problem:1110÷0010

1010

1001

0111

0101

QUESTION 10

1. The binary addition of 0 + 1 =

sum = 1 carry = 1

sum = 1 carry = 0

sum = 0 carry = 0

sum = 0 carry = 1

QUESTION 11

1. What is the two's complement of 01001110?

10110010

10011110

00111110

10111111

QUESTION 12

1. What is the hexadecimal symbol for decimal 10?

H

C

B

A

QUESTION 13

1. A four-bit adder can perform

logical AND.

addition.

subtraction.

all of the above

QUESTION 14

1. A combinational logic circuit that converts binary information from n inputs to a maximum of 2n unique outputs is known as a

Multiplexer

Decoder

Comparator

Demultiplexer

QUESTION 15

1. Which device is used in the design of computer memory address selection hardware?

multiplexer

encoder

demultiplexer

decoder

QUESTION 16

1. The data storage device which can be constructed using two NAND gates or two NOR gates is the

J-K flip-flop.

multiplexer.

S-R flip-flop.

encoder.

QUESTION 17

1. The flip-flop is the basic circuit used in

arithmetic circuits.

sequential logic circuits.

combinational logic circuits.

all of the above

QUESTION 18

1. Write a program in VHDL for the expression Y=AB'C + A'B'C + A B'C' + A'BC

QUESTION 19

1. Write a program in VHDL for the following logic circuit:

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