MCQs and Quizzes - Multiple Choice Questions with Answers
Practice and Learn through MCQs and Quizzes. W3Definitions.com have 3592 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.
- A. Substandard
- B. Dual
- C. Recessive approximation
- D. Successive approximation
- Correct Answer: Option D
________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.
- A. Actuator
- B. Dual
- C. Flash
- D. Bipolar
- Correct Answer: Option C
________ is an example of read/write memory.
- A. PROM
- B. EEPROM
- C. RAM
- D. MROM
- Correct Answer: Option C
__________ acts as a depolarizer in a dry cell.
- A. ammonium chloride
- B. carbon powder
- C. manganese dioxide
- D. zinc chloride
- Correct Answer: Option C
__________ will have the least value of relative permeability.
- A. Palladium
- B. Silver
- C. Cobalt
- D. Iron
- Correct Answer: Option B
-8 is equal to signed binary number
- A. 10001000
- B. 00001000
- C. 10000000
- D. 11000000
- Correct Answer: Option A
“Train” and “single” is the mode selection for a _______.
- A. multimeter
- B. logic probe
- C. current tracer
- D. logic pulser
- Correct Answer: Option D
+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
- A. a, d, g
- B. b, c, e, f
- C. all
- D. none
- Correct Answer: Option C
0.10112 = __________ .
- A. 0.687510
- B. 0.680010
- C. 0.010010
- D. 0.500010
- Correct Answer: Option A
1’s complement of 11100110 is
- A. 00011001
- B. 10000001
- C. 00011010
- D. 00000000
- Correct Answer: Option A
10’s complement of 1610 is
- A. 8310
- B. 8410
- C. 3810
- D. 4810
- Correct Answer: Option B
100101.10112 = __________ .
- A. 115.228
- B. 115.548
- C. 215.548
- D. 100.018
- Correct Answer: Option B
1001012 is equal to decimal number
- A. 47
- B. 37
- C. 21
- D. 17
- Correct Answer: Option B
10112 x 1012 = __________ 10
- A. 55
- B. 45
- C. 35
- D. 25
- Correct Answer: Option A
11011 in gray code = __________ .
- A. 100102
- B. 111112
- C. 111002
- D. 100012
- Correct Answer: Option A
11012 – 10012 =
- A. 1000
- B. 0100
- C. 0010
- D. 0001
- Correct Answer: Option B
111012 x 100012 =
- A. 111101101
- B. 111101100
- C. 11110
- D. 1100110
- Correct Answer: Option A
1111 + 11111 =
- A. 101111
- B. 101110
- C. 111111
- D. 011111
- Correct Answer: Option B
127416 – 3A716 = __________ .
- A. ACA16
- B. ACB16
- C. ECD16
- D. AAA16
- Correct Answer: Option C
2’s complement number 00011111 = __________ 10
- A. +31
- B. -31
- C. +11
- D. -11
- Correct Answer: Option A
2’s complement of (-24) =
- A. 11101000
- B. 01001000
- C. 01111111
- D. 00111111
- 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
- A. MSB are zero
- B. LSB are zero
- C. MSB are 1
- D. LSB are 1
- Correct Answer: Option A
2’s complement of binary number 0101 is
- A. 1011
- B. 1111
- C. 1101
- D. 1110
- 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
- A. 0
- B. 1
- C. 32676
- D. 65, 535
- Correct Answer: Option B
23.610 = __________ 2
- A. 11111.1001
- B. 10111.1001
- C. 00111.101
- D. 10111.1
- Correct Answer: Option B
26810 = __________ .
- A. 10A16
- B. 10B16
- C. 10C16
- D. 10D16
- Correct Answer: Option C
2N 2430 could be a
- A. semi-conductor diode
- B. dual gate MOSFET
- C. BJT
- D. UJT
- Correct Answer: Option C
3428 is the decimal value for which of the following binary coded decimal (BCD) groupings?
- A. 11010001001000
- B. 11010000101000
- C. 011010010000010
- D. 110100001101010
- Correct Answer: Option B
39.1210 = __________ 10
- A. 10111.0001111
- B. 100011.0001111
- C. 100001.0001111
- D. 001111.0001111
- Correct Answer: Option A
3N 200 is a
- A. semi-conductor diode
- B. P-N-P transistor
- C. dual gate MOSFET
- D. UJT
- Correct Answer: Option C
4 bit 2’s complement representation of a decimal number is 1000. The number is
- A. + 8
- B. 0
- C. - 7
- D. - 8
- Correct Answer: Option D
718 = __________ .
- A. 1110002
- B. 1110012
- C. 1000012
- D. 1100012
- Correct Answer: Option B
74HCT00 series is
- A. NAND IC
- B. interface between TTL and CMOS
- C. inverting IC
- D. NOR IC
- Correct Answer: Option B
7BF16 = __________ 2
- A. 0111 1011 1110
- B. 0111 1011 1111
- C. 0111 1011 0111
- D. 0111 1011 0011
- Correct Answer: Option B
9’s complement of 1210 is
- A. 2110
- B. 8710
- C. 7810
- D. 7610
- Correct Answer: Option B
9’s complement of 5610 is
- A. 4310
- B. 8410
- C. 6510
- D. 5310
- Correct Answer: Option A
A ______ is not a multivibrator.
- A. one-shot
- B. flip-flop
- C. VCO
- D. bistable
- Correct Answer: Option A
A _________ shift register can shift stored data either left or right.
- A. bidirectional
- B. tri-state
- C. universal
- D. bidirectional universal
- Correct Answer: Option D
A __________ change in VDS will produce a __________ change in ID.
- A. small, large
- B. large, small
- C. large, large
- D. small, small
- Correct Answer: Option B
A _______________ JFET amplifier provides a voltage gain of less than one.
- A. common-source
- B. common-gate
- C. common-drain
- D. cascode amplifier
- Correct Answer: Option C