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Old 16th October 2014, 11:19 AM
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Default Digital Circuits Exam Paper

Can you provide me the Digital Circuits Exam Paper For Various Competitive Exams???
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Old 17th October 2014, 09:19 AM
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Default Re: Digital Circuits Exam Paper

This is the Digital Circuits Exam Paper For Various Competitive Exams:

Q.1.The number of digits in octal system is?

8
7
8 or 7
10

Q.2.The number of digits in hexadecimal system is?

15
10
16
8

Q.3.The number of bits in a nibble is?

8
2
4
16

Q.4.The digit F in hexadecimal system is equivalent to number...........in decimal system?

16
15
17
8

Q.5.Which of the following binary number is equivalent to decimal 10?

1010
1000
1001
1100

Q.6.The number FF in a hexadecimal system is equivalent to number..........in a decimal system ?

256
240
255
239

Q.7.ICs are?

analog
digital
both Analog and digital
mostly analog

Q.8.The rate of change of digital signals between High and low level is?

very fast
fast
slow
very slo

Q.9.Digital circuits mostly use?

Diodes
Bipolar transistors
Diodes and bipolar transistor
Bipolar transistors and FETs

Q.10.Two voltages are-5V and-10V.In positive logic?

-5V is 1 and -10V is 0
-10 Vis 1 and-5V is 0
-5V is 1 and -10V is1
-5V is 0 and -10V is 0

Q.11.Logic Pulser ?

generate short duration pulses
generate long duration pules
generate ideal pulses
None of these

Q.12.The number of LED displays in duration in logic probe are?

1
2
4
1 or 2

Q.13.The output impenitence of a logic pulser is?

Low
High
May be low or high
Can't say

Q.14.A current transducer respond to?

steady current only
pulsating current only
both pulasting and steady
none of these

Q.15.Logic analyser is?

a multi channel oscilloscope
similar to logic pulser
similar to current tracer
none of above

Q.16.Which of these are two state device?

Lamp
magnetic tap
punched card
All the above

Q.17.In the decimal number 27,the digit 2 represent ?

2
0.2
20
200

Q.18.In Hexadecimal number system,A is equal to decimal number?

10
17
11
18

Q.19.Hexadecimal number F is equal to octal number?

15
17
16
18

Q.20.Hexadecimal number E is equal to binary?

1110
1001
1111
1101

Q.21.Binary number 1101 is equal to octal number?

17
15
16
14

Q.22.ocatal number 12 is equal to decimal number?

8
9
11
10

Q.23.100101 is equal to decimal number ?

27
37
17
47

Q.24.Decimal number 10 is equal to binary number?

1110
1001
1010
1000

Q.25.Decimal number 110011011001 is equal to decimal number?

3289
1289
2289
289
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