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. Conversion of hexadecimal number 93FA16 to it’s binary number equivalent is
(A) 10010011111110102
(B) 100100111111101112
(C) 1100111111100112
(D) 1111100001112
Answer: (A) 10010011111110102
Q2. Binary-Coded-decimal (BCD) numbers express each digit as a _
(A) Byte
(B) Nibble
(C) Bit
(D) None of the above
Answer: (B) Nibble
Q3. A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a __
(A) Address
(B) Memory location
(C) Registers
(D) Chip
Answer: (B) Memory location
Q4. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is
(A) Fan-out
(B) Bipolar
(C) Chip
(D) Universal logic circuit
Answer:(A) Fan-out
Q5. A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as
(A) Encoder
(B) Decoder
(C) Multiplexer
(D) De-multiplexer
Answer: (C) Multiplexer
Q6. The 1’s compliment of binary number 11010 is:
(A) 00101
(B) 00010
(C) 00110
(D) 11101
Answer: (A) 00101
Q7. A shift register moves the left or right. Serial loading means storing a word in a shift register by entering bit per clock pulse. With parallel or broadside loading, it takes only one _ pulse to load the input word.
(A) Light, eight, clock
(B) Right, eight, clock
(C) Bits, one, register
(D) Bits, one, clock
Answer: (D) Bits, one, clock
Q8. Which TTL sub-family has maximum speed?
(A) Standard TTL
(B) Schottky-clamped TTL
(C) High speed TTL
(D) Low power TTL
Answer: (B) Schottky-clamped TTL
Q9. Conversion of binary number 1011102 to an octal number is
(A) 358
(B) 468
(C) 568
(D) 508
Answer:(C) 568
Q10. Which of the following is the first integrated logic family?
(A) RTL
(B) DTL
(C) TTL
(D) MOS
Answer: (A) RTL
Q11. The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a __ RAM.
(A) Volatile
(B) Static
(C) Semiconductor
(D) Bipolar
Answer: (B) Static
Q12. Conversion of an octal number 74328 to a binary number is
(A) 11110001101112
(B) 111100011010
(C) 1100110101112
(D) 1111111110002
Answer:(B) 111100011010
Q13. The logic 1 in positive logic system is represented by:
(A) Zero voltage
(B) Lower voltage level
(C) Higher voltage level
(D) Negative voltage
Answer: (C) Higher voltage level
Q14. Conversion of an octal number 1438 to hexadecimal number is
(A) 6316
(B) 6016
(C) 5016
(D) 5716
Answer: (A) 6316
Q15. Conversion of decimal number 1310 to it’s octal number equivalent is
(A) 158
(B) 178
(C) 138
(D) 118
Answer: (A) 158
Digital Computer Electronics MCQ – All Set
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.