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SEM 2 MODULLE 7

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

How many inputs are available in the 7447 BCD-to-seven segment decoder used to drive the LED display?

a)

A One | एक

b)

B Four | िरर

c)

C Seven | सरत

d)

D Eight | आठ

2.

What is the type of flip-flop circuit?

a)

A D flip-flop | ी जफ्लप-फ्लॉप

b)

B T flip-flop | टी जफ्लप-फ्लॉप

c)

C JK flip-flop | िेकेजफ्लप-फ्लॉप

d)

D R-s flip-flop | आर-एस जफ्लप-फ्लॉप

3.

What is the power supply required to operate the most standard TTL ICs properly?

a)

A + 1.5v to +2.5V | + 1.5 वी से+ 2.5 वी

b)

B - 1.5v to - 2.5V | - 1.5 वी से- 2.5 वी

c)

C + 4.75v to + 5.25V | + 4.75v से+ 5.25V

d)

D + 7.5v to + 12V | + 7.5 वी से+ 12 वी

4.

What is the propagation delay of the standard TTL chip?

a)

A 5 ns

b)

B 8 ns

c)

C 10 ns

d)

D 12 ns

5.

What is the power dissipation of the standard TTL chip?

a)

A 5 mW/gate | 5 mW / गेट

b)

B 10 mW/gate | 10 mW / गेट

c)

C 15 mW/gate | 15 mW / गेट

d)

D 20 mW/gate | 20 mW / गेट

6.

What is the decimal conversion number for the octal number (2374)8?

a)

A (1266)10

b)

B (1276)10

c)

C (1286)10

d)

D (1296)10

7.

What is the digital signal value for the analog signal value 6V?

a)

A 0100

b)

B 0101

c)

C 0110

d)

D 0111

8.

What is the decimal number for the binary number 0101?

a)

A 4

b)

B 5

c)

C 6

d)

D 7

9.

Which IC is used for (DEMUX) function in data transmission?

a)

A IC 7483 | आईसी 7483

b)

B IC 7486 | आईसी 7486

c)

C 74 LS 138 | 74 एलएस 138

d)

D 74 LS 151 | 74 एलएस 151

10.

Which circuits requires the flip - flops for their operation?

a)

A Amplifier circuits | एम्पलीफरयर सककड ट

b)

B Oscillator circuits | िोलन सककड ट

c)

C Modulator circuits | फयनू रचिक सककड ट

d)

D Memory circuits | मेमोरी सककड ट

11.

Which logic gate has the following truth table?

a)

A OR

b)

B NOR

c)

C AND

d)

D NAND

12.

What is the use of flip - flop?

a)

A It stores energy | यह ऊिरडको सांग्रहीत करतर है

b)

B It stores voltage | यह वोल्टेि को स्टोर करतर है

c)

C It stores current | यह करांट स्टोर करतर है

d)

D It stores binary information | यह बरइनरी िरनकररी सांग्रहीत करतर ह

13.

Which logic gate IC is marked as ‘X’ in the circuit?

a)

A IC7404

b)

B IC7408

c)

C IC7486

d)

D IC7432