Digital Computer Electronics MCQs
Digital Computer Electronics MCQs
Our team has conducted extensive research to compile a set of Digital Computer Electronics MCQs. We encourage you to test your Digital Computer Electronics knowledge by answering these 20 multiple-choice questions provided below.
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1: When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is
A. JK flip-flop
B. T flip-flop
C. Master slave JK flip-flop
D. D flip-flop
2: Conversion of 10110112 to it's decimal equivalent is
A. 10010
B. 8110
C. 20010
D. 9110
E. None of these
3: An XOR gate recognizes only words with an _____ number of 1's.
A. Odd
B. Even
C. All of these
D. Different
4: The output of the following gate is 1 only if at least one of its inputs is 0.
A. NOR gate
B. NAND gate
C. OR gate
D. AND gate
5: One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.
A. Standard
B. Karnaugh
C. De Morgan
D. None of these
E. Schottky
6: Which function of positive logic is equivalent to OR function in negative logic?
A. Not
B. AND
C. OR
D. None of these
E. NOR
7: 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. Race, no change
B. Set, reset
C. High, low
D. None of these
E. Set, race
8: The _____ is a sequence of instructions that tells the computer how to process the data.
A. Program
B. Data
C. Controls
D. Instruction
9: A flip-flop is a _____ element that stores a binary digit as a low or high voltage.
A. Bus
B. Chip
C. I/O
D. Memory
10: When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.
A. Transistor
B. Register
C. Clock
D. None of these
E. Pulse
11: Conversion of binary number 11000112 to its decimal number is
A. 9710
B. 9310
C. 9910
D. 2910
12: Binary means _____
A. None of these
B. Ten
C. Three
D. Four
E. Two
13: Conversion of binary number 11011001111110002 to hexadecimal number is
A. A8B916
B. None of these
C. 78916
D. D9F816
E. D8F816
14: Convert the 1000 0000 0000 1111 signed binary number to decimal number.
A. +30
B. +15
C. -15
D. -30
15: Conversion of binary number 1011012 to its decimal number is
A. 4710
B. 4310
C. 4010
D. 4510
16: Which of the following logic families use bipolar transistors?
A. TTL
B. NMOS
C. CMOS
D. GaAS
17: Conversion of a hexadecimal number 6316 to binary number is
A. 11001112
B. 11000112
C. 1110112
D. None of these
E. 11001112
18: A flip-flop can store
A. Any number of bits of data
B. Three bits of data
C. Two bits of data
D. One bit of data
19: Conversion of an octal number 608 to binary number is
A. 100112
B. 11001102
C. 11001112
D. 1100002
20: Conversion of decimal number 9910 to hexadecimal number is
A. 816
B. None of these
C. 5016
D. 6316
E. 6116
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Digital Computer Electronics MCQs
