Digital Computer Electronics Quiz Questions – Set 14 :: 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. With an RS latch a high S and low R sets the output to ; a low S and a high R the output to low.

(A) No change, set
(B) Race, high
(C) High, reset
(D) Set, reset

Answer: (C) High, reset

Q2. A flip-flop can store

(A) One bit of data
(B) Two bits of data
(C) Three bits of data
(D) Any number of bits of data

Answer: (A) One bit of data

Q3. An OR gate has 6 inputs. What is the only input word that produces a 0 output?

(A) 000000
(B) 000111
(C) 111000
(D) 111111

Answer:(A) 000000

Q4. When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is

(A) JK flip-flop
(B) D flip-flop
(C) T flip-flop
(D) Master slave JK flip-flop

Answer: (B) D flip-flop

Q5. The Gray code for decimal 7 is

(A) 0111
(B) 1011
(C) 0100
(D) 0101

Answer:(C) 0100

Q6. Which of the following is not true?

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

Answer: (B) 0 × 1 = 1

Q7. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

(A) Rise time
(B) Decay time
(C) Binary level transition period
(D) Propagation delay

Answer: (B) Decay time

Q8. A full-adder adds bits, and producing a SUM and a

(B) 3, CARRY
(C) 16, DIVIDE
(D) All of the above

Answer: (B) 3, CARRY

Q9. The hexadecimal digits are 0 to 9 and A to _

(A) D
(B) E
(C) F
(D) G

Answer: (C) F

Q10. Which of the following Boolean algebra rules is wrong?

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

Answer: (D) 1 . x = 1

Q11. The ASCII

(A) Is a subset of 8-bit EBCDIC
(B) Is used only in Western Countries
(C) Is version II of the ASC Standard
(D) Has 128 characters, including 32 control characters

Answer: (D) Has 128 characters, including 32 control characters

Q12. Conversion of binary number 11000112 to hexadecimal is

(A) 6316
(B) 5716
(C) 4616
(D) 4016

Answer: (A) 6316

Q13. De Morgan’s first theorem says that a NOR gate is equivalent to a bubbled _ gate.


Answer: (A) AND

Q14. In Boolean algebra, the over bar stands for the NOT operation, the plus sign stands for the _ operation.

(B) OR

Answer: (B) OR

Q15. The binary number 1100 0101 has _ bytes

(A) 8
(B) 4
(C) 2
(D) 1

Answer: (D) 1

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

We hope the given computer science Engineering on Digital Computer Electronics MCQ Questions with Answers will definitely yield fruitful results. Hope you got enough ideas on the MCQs on Digital Computer Electronics. If you have any queries related to computer science Engineering on Digital Computer Electronics MCQs Multiple Choice Questions with Answers, drop your questions below and will get back to you as soon as possible.

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