Digital Electronics Objective Questions – Set 13 :: 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. The output of the following gate is 1 only if at least one of its inputs is 0.

(A) AND gate
(B) OR gate
(C) NAND gate
(D) NOR gate

Answer:(C) NAND gate

Q2. ASCII and EBCDIC differ in

(A) Their efficiency in storing data
(B) The random and sequential access method
(C) The number of bytes used to store characters
(D) Their collecting sequences

Answer:(D) Their collecting sequences

Q3. Arithmetic operation are coded in

(A) Decision symbols
(B) Input/Output (I/O)
(C) Processing symbols
(D) Terminal symbols

Answer: (C) Processing symbols

Q4. With a NAND latch a low R and a low S produce a _ condition.

(A) Race
(B) Set
(C) Reset
(D) No change

Answer: (A) Race

Q5. Conversion of binary number 1011012 to its decimal number is

(A) 4510
(B) 4310
(C) 4010
(D) 4710

Answer: (A) 4510

Q6. In which code the successive code characters differ in only one bit position?

(A) Gray code
(B) Excess 3 code
(C) 8421 code
(D) Algebraic code

Answer: (A) Gray code

Q7. Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is

(A) 10110101110102
(B) 11110110000102
(C) 10001010001012
(D) 010010000000102

Answer: (A) 10110101110102

Q8. De Morgan’s second theorem says that NAND gate is equivalent to a bubbled _ gate.

(D) OR

Answer: (D) OR

Q9. __ is the fastest logic family; it’s used in high-speed applications.


Answer: (C) ECL

Q10. A p-channel enhancement type MOSFET performs much the same function as a PNP transistor, except that

(A) It operates much faster
(B) It is considerably larger
(C) It is controlled by voltage rather than by current, so that it requires very little current at the control terminal
(D) It is controlled by current rather than by voltage like a bipolar transistor

Answer: (C) It is controlled by voltage rather than by current, so that it requires very little current at the control terminal

Q11. The radix of the binary number is:

(A) 3
(B) 1
(C) 2
(D) 10

Answer: (C) 2

Q12. What is the 2’s complement of 0011 0101 1001 1100 number?

(A) 1100 1010 1100 1011
(B) 1100 1010 0110 0011
(C) 1100 1010 0110 0100
(D) 1100 1010 1111 1111

Answer: (C) 1100 1010 0110 0100

Q13. An AND gate has 7 inputs, what is the only input word that produces a 1 output?

(A) 0000000
(B) 0001111
(C) 1110000
(D) 1111111

Answer: (D) 1111111

Q14. The inverter OR gate and AND gate are called decision-making elements because they can recognize some input while disregarding others. A gate recognizes a word when its output is

(A) Words, high
(B) Bytes, low
(C) Bytes, high
(D) Character, low

Answer: (A) Words, high

Q15. When the LOAD input of a buffer register is active, the input word is stored on the next positive _ edge.

(A) Clock
(B) Pulse
(C) Register
(D) Transistor

Answer: (A) Clock

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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