Computer Electronics Digital MCQ – Set 10 :: Computer Science Engineering

Are you guys looking for computer science MCQ Questions with Answers PDF Free Download as per computer science new exam pattern? You came to the right page. This may assist you to understand and check your knowledge about the Subjects. Students also can take a free test of the Multiple Choice Questions of computer science. Each question has four options followed by the right answer. These computer science MCQ Questions are selected supported by the newest exam pattern.

Q1. Which of the following logic expression is wrong?

(A) 1 + 0 = 1
(B) 1 + 1 = 0
(C) 1 + 0 + 1 = 1
(D) 1 + 1 + 1 = 1

Answer: (C) 1 + 0 + 1 = 1

Q2. The dynamic race hazard problem occurs in

(A) Combinational circuits only
(B) Sequential circuits only
(C) Both combinational and sequential circuits
(D) None of the combinational and sequential circuits

Answer: (D) None of the combinational and sequential circuits

Q3. Conversion of an octal number 738 to binary number is

(A) 1101112
(B) 1111002
(C) 1100102
(D) 1110112

Answer: (D) 1110112

Q4. With a JK master-slave flip-flop the master is cocked when the clock is and the slave is triggered when the clock is

(A) Set, reset
(B) Race, no change
(C) High, low
(D) Set, race

Answer: (C) High, low

Q5. A diagram that illustrates the ore (Logic) of functions in a program called a

(A) Flowchart
(B) Sequence of steps
(C) Direction of flow
(D) None of the above

Answer: (A) Flowchart

Q6. A 2’s-complement adder- subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _ decimal numbers, and 2’s complements stand for decimal numbers.

(A) Hexa, sign
(B) Sign, hexa
(C) Positive, negative
(D) Negative, positive

Answer: (C) Positive, negative

Q7. Conversion of binary number 10010102 to to its decimal number is

(A) 7410
(B) 9710
(C) 7210
(D) 6310

Answer: (A) 7410

Q8. In Boolean algebra, the times sign stands for the _ operation

(B) OR

Answer: (A) AND

Q9. Digital design often starts by constructing a _ table.

(A) Standard
(B) Two-stage
(C) Truth
(D) Two-dimensional

Answer:(C) Truth

Q10. The 7400 series, also called standard TTL, contains a variety of SSI and _ chips that allow us to build all kinds of digital circuits and systems.


Answer: (B) MSI

Q11. An OR gate has 6 inputs. How many input words are in its truth table?

(A) 16
(B) 32
(C) 64
(D) 128

Answer: (C) 64

Q12. Conversion of binary number 10100002 to an octal number is

(A) 1198
(B) 1018
(C) 1118
(D) 1208

Answer: (D) 1208

Q13. Conversion of binary number 1100002 to hexadecimal is

(A) 3016
(B) 4016
(C) 4316
(D) 2716

Answer: (A) 3016

Q14. For an input pulse train of clock period T, the delay produced by an n stage shift register is

(A) (n-1)T
(B) nT
(C) (n+1)T
(D) 2nT

Answer: (A) (n-1)T

Q15. Which logic family dissipates the minimum power?


Answer: (D) CMOS

Digital Computer Electronics MCQ – All Set

Digital Computer Electronics Multiple Choice Questions – Set 01
Computer Electronics Degree Questions & Answers – Set 02
Digital Electronics MCQ Practice Test – Set 03
Computer Science Degree Electronics Exam Questions – Set 04
Digital Computer Science Questions & Answers – Set 05
Digital Science Interview Questions & Answers – Set 06
Digital Computer Electronics Interview Questions – Set 07
Computer Science Degree Electronics Questions – Set 08
Digital Computer Electronics Questions – Set 09
Computer Electronics Digital Questions & Answers – Set 10
Exam Preparation Questions Digital Computer Electronics – Set 11
Computer Based Test Computer Electronics – Set 12
Digital Electronics Objective Questions – Set 13
Digital Computer Electronics Quiz Questions – Set 14
digital computer electronics quiz questions set 15 pdf

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