MCQs and Quizzes - Multiple Choice Questions with Answers
Practice and Learn through MCQs and Quizzes. W3Definitions.com have 3670 MCQs and Quizzes
________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.
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A. Substandard
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B. Dual
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C. Recessive approximation
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D. Successive approximation
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Correct Answer: Option D
________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.
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A. Actuator
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B. Dual
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C. Flash
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D. Bipolar
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Correct Answer: Option C
________ is an example of read/write memory.
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A. PROM
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B. EEPROM
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C. RAM
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D. MROM
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Correct Answer: Option C
__________ acts as a depolarizer in a dry cell.
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A. ammonium chloride
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B. carbon powder
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C. manganese dioxide
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D. zinc chloride
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Correct Answer: Option C
__________ will have the least value of relative permeability.
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A. Palladium
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B. Silver
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C. Cobalt
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D. Iron
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Correct Answer: Option B
-8 is equal to signed binary number
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A. 10001000
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B. 00001000
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C. 10000000
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D. 11000000
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Correct Answer: Option A
“Train” and “single” is the mode selection for a _______.
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A. multimeter
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B. logic probe
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C. current tracer
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D. logic pulser
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Correct Answer: Option D
∇2 is
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A. vector
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B. scalar
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C. depend on direction
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D. none
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Correct Answer: Option B
+12 V supply is given to plates a, d, g, and 0 V to other plates and grid of a VF display. The plates which will glow are
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A. a, d, g
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B. b, c, e, f
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C. all
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D. none
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Correct Answer: Option C
0.10112 = __________ .
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A. 0.687510
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B. 0.680010
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C. 0.010010
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D. 0.500010
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Correct Answer: Option A
1 dB is equal to __________ nepier
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A. 8.6
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B. 6.8
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C. 8
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Correct Answer: Option A
1’s complement of 11100110 is
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A. 00011001
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B. 10000001
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C. 00011010
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D. 00000000
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Correct Answer: Option A
10’s complement of 1610 is
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A. 8310
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B. 8410
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C. 3810
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D. 4810
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Correct Answer: Option B
100101.10112 = __________ .
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A. 115.228
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B. 115.548
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C. 215.548
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D. 100.018
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Correct Answer: Option B
1001012 is equal to decimal number
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A. 47
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B. 37
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C. 21
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D. 17
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Correct Answer: Option B
10112 x 1012 = __________ 10
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A. 55
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B. 45
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C. 35
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D. 25
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Correct Answer: Option A
11011 in gray code = __________ .
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A. 100102
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B. 111112
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C. 111002
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D. 100012
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Correct Answer: Option A
11012 – 10012 =
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A. 1000
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B. 0100
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C. 0010
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D. 0001
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Correct Answer: Option B
111012 x 100012 =
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A. 111101101
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B. 111101100
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C. 11110
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D. 1100110
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Correct Answer: Option A
1111 + 11111 =
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A. 101111
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B. 101110
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C. 111111
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D. 011111
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Correct Answer: Option B
127416 – 3A716 = __________ .
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A. ACA16
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B. ACB16
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C. ECD16
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D. AAA16
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Correct Answer: Option C
2’s complement number 00011111 = __________ 10
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A. +31
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B. -31
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C. +11
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D. -11
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Correct Answer: Option A
2’s complement of (-24) =
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A. 11101000
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B. 01001000
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C. 01111111
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D. 00111111
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Correct Answer: Option A
2’s complement of a given 3 or more bit number of non-zero magnitude is the same as the original number if all bits except
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A. MSB are zero
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B. LSB are zero
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C. MSB are 1
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D. LSB are 1
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Correct Answer: Option A
2’s complement of binary number 0101 is
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A. 1011
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B. 1111
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C. 1101
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D. 1110
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Correct Answer: Option A
2’s complement representation of a 16 bit number (one sign bit and 15 magnitude bit) is FFFF. Its magnitude in decimal representation is
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A. 0
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B. 1
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C. 32676
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D. 65, 535
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Correct Answer: Option B
23.610 = __________ 2
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A. 11111.1001
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B. 10111.1001
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C. 00111.101
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D. 10111.1
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Correct Answer: Option B
26810 = __________ .
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A. 10A16
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B. 10B16
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C. 10C16
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D. 10D16
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Correct Answer: Option C
2N 2430 could be a
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A. semi-conductor diode
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B. dual gate MOSFET
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C. BJT
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D. UJT
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Correct Answer: Option C
3428 is the decimal value for which of the following binary coded decimal (BCD) groupings?
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A. 11010001001000
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B. 11010000101000
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C. 011010010000010
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D. 110100001101010
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Correct Answer: Option B
39.1210 = __________ 10
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A. 10111.0001111
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B. 100011.0001111
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C. 100001.0001111
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D. 001111.0001111
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Correct Answer: Option A
3N 200 is a
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A. semi-conductor diode
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B. P-N-P transistor
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C. dual gate MOSFET
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D. UJT
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Correct Answer: Option C
4 bit 2’s complement representation of a decimal number is 1000. The number is
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A. + 8
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B. 0
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C. - 7
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D. - 8
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Correct Answer: Option D
718 = __________ .
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A. 1110002
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B. 1110012
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C. 1000012
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D. 1100012
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Correct Answer: Option B
74HCT00 series is
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A. NAND IC
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B. interface between TTL and CMOS
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C. inverting IC
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D. NOR IC
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Correct Answer: Option B
7BF16 = __________ 2
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A. 0111 1011 1110
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B. 0111 1011 1111
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C. 0111 1011 0111
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D. 0111 1011 0011
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Correct Answer: Option B
9’s complement of 1210 is
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A. 2110
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B. 8710
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C. 7810
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D. 7610
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Correct Answer: Option B
9’s complement of 5610 is
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A. 4310
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B. 8410
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C. 6510
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D. 5310
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Correct Answer: Option A
A ______ is not a multivibrator.
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A. one-shot
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B. flip-flop
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C. VCO
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D. bistable
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Correct Answer: Option A
A _________ shift register can shift stored data either left or right.
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A. bidirectional
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B. tri-state
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C. universal
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D. bidirectional universal
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Correct Answer: Option D