DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS-1
DIGITAL ELECTRONICS OBJECTIVE QUESTIONS -PART-1
1.The number of digits in octal system is
a.8
b.7
c.10
d. none
2..The number of digits in Hexadecimal system is
a.15
b.17
c.16
d. 8
3.The number of bits in a nibble is
a.16
b.5
c.4
d.8
4.The digit F in Hexadecimal system is equivalent to —— in decimal system
a.16
b.15
c.17
d. 8
5.Which of the following binary numbers is equivalent to decimal 10
a.1000
b.1100
c.1010
d.1001
6.The number FF in Hexadecimal system is equivalent to —— in decimal system
a.256
b.255
c.240
d.239
7.IC s are
a. analog
b. digital
c. both analog and digital
d. mostly analog
8.The rate of change of digital signals between High and Low Level is
a. very fast
b. fast
c. slow
d. very slow
9. Digital circuits mostly use
a. Diodes
b. Bipolar transistors
c. Diode and Bipolar transistors
d. Bipolar transistors and FETs
10.Logic pulser
a. generates short duration pulses
b. generate long duration pulses
c. generates long and short duration
d. none of above
11.What is the output state of an OR gate if the inputs are 0 and 1?
a.0
b.1
c.3
d.2
12.What is the output state of an AND gate if the inputs are 0 and 1?
a.0
b.1
c.3
d.2
13.A NOT gate has…
a. Two inputs and one output
b. One input and one output
c. One input and two outputs
d. none of above
14.An OR gate has…
a. Two inputs and one output
b. One input and one output
c. One input and two outputs
d. none of above
15.The output of a logic gate can be one of two _____?
a. Inputs
b. Gates
c.States
d. none
16.Logic states can only be ___ or 0.
a. 3
b. 2
c.1
d.0
17.The output of a ____ gate is only 1 when all of its inputs are 1
a. NOR
b. XOR
c. AND
d. NOT
18.A NAND gate is equivalent to an AND gate plus a …. gate put together.
a. NOR
b. NOT
c. XOR
d. none
19.Half adder circuit is ______?
a. Half of an AND gate
b. A circuit to add two bits together
c. Half of a NAND gate
d. none of above
20. Numbers are stored and transmitted inside a computer in
a. binary form
b. ASCII code form
c. decimal form
d. alphanumeric form
21.The decimal number 127 may be represented by
a. 1111 1111B
b. 1000 0000B
c. EEH
d. 0111 1111
22.. A byte corresponds to
a. 4 bits
b. 8 bits
c. 16 bits
d. 32 bits
23.A gigabyte represents
a.1 billion bytes
b. 1000 kilobytes
c. 230 bytes
d. 1024 bytes
24. A megabyte represents
a. 1 million bytes
b. 1000 kilobytes
c. 220 bytes
d. 1024 bytes
25.. A Kb corresponds to
a. 1024 bits
b. 1000 bytes
c.210 bytes
d. 210 bits
Frd’s i collected these questions !!! if any body know the answers for any questions post it in comments i will update the page with answers given by you !!! keep visiting i will upload more questions prepare well!!!
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Categories:ELECTRICAL OBJECTIVE;Tags: DIGITAL ELECTRONICS, DIGITAL ELECTRONICS MATERIAL, DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS, DIGITAL ELECTRONICS OBJECTIVE QUESTIONS, DIGITAL ELECTRONICS PREPARATION, MULTIPLE CHOICE QUESTIONS, OBJECTIVE QUESTIONS, PREPARATION
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14 Comments to “DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS-1”
13 ans is b
18 ans is b
21 and is d
rest all are correct
question no 21st answer is d. 25th answer is a
for Digital Electronics MCQ the best book is authored by RK Kanodia. it has more than 1500 mcqs with full solutions.
answer of 13th is wrong it bcoz not date has single input and single output..
plz send me the answer key of DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS -4
Some answers are wrong
answer of 1st n 13th should be (b)
Please send me the answer of DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS-1 to 4
the answer of ques. 18 is b (not a) bcoz negation of AND is NAND. so AND+NOT=NAND
give me answer of 3,4,
i want know answers of DIGITAL ELECTRONICS MULTIPLE CHOICE QUESTIONS-2,3,4
pl upload soon……….
thank you!!!!!!
kindly suply the ans. for COP-03-Computer-Operator-Old-Questions-2061.pdf
most of the above ans are incorrect
13 a
15 c
18 b
21 a
[...] Blog this on Blogger [...]
1.a
2.c
3.c
4.a
5.c
6.a
7.c
8.a
9.c
10.b
11.b
12.a
13.c
14.a
15.a
16.c
17.c
18.a
19.b
20.a
21.c
22.b
23.a
24.b
25.b