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PART -- PAGE--4 QUESTIONS AND ANSWER

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Totem-pole outpit,also known as a

a)

push-pull output

b)

totem -dipole output

c)

pull-pull output

d)

push-push output

2.

pull up resistor is an example of

a)

TTL

b)

DTL

c)

RTL

d)

BTL

3.

Resistor which holds the logic signal near zero volts when no other active device is connected is called

a)

zener resistor

b)

variable resistor

c)

pull-up resistor

d)

PULL-down resistor

4.

Active pull up has element called

a)

transistor

b)

resistor

c)

insulator

d)

conductor

5.

Which of the following are not characteristics of TTL logic gates?

a)

Totem -pole output

b)

Bipolar transistor

c)

CMOS transistor

d)

Multimeter transistor

6.

A TTL totem -pole circcuits is designed so that the output transistor

a)

Provide phase splitting

b)

Are always on together

c)

Are never on together

d)

Provide voltage regulation

7.

Schottky diode operate only with

a)

minorty carriers

b)

majority carriers

c)

capacitors

d)

inductor

8.

schottky diode has junction made up of

a)

metal to n region

b)

p to n region

c)

metal to semiconductor

d)

metal to insulator

9.

Schottky diodes are also known as

a)

minority carrier diode

b)

hot carrier diode

c)

majority carrier diode

d)

electrode carrier diode

10.

Diode used primarily in high frequency devices and fast switching application is called

a)

current regulator diode

b)

schotky diode

c)

PIN diode

d)

zener diode

11.

Diode formed by joining a doped semiconductor region with a metal such as gold,silver or platinum is

a)

current regulator diode

b)

schotky diode

c)

PIN diode

d)

zener diode

12.

What is a multiplexer?

a)

It is a type of decoder which decodes several inputs and gives one output

b)

A multiplexer is a device which converts many signals into one

c)

It takes one input and results into many output

d)

It is a type of encoder which decodes several inputs and gives one output

13.

Multiplexers are also called__________

a)

Decoders

b)

encoders

c)

data selectors

d)

comparators

14.

If the number of n selected input lines is equal to 2^m then it requires _____ select lines.

a)

2

b)

m

c)

n

d)

2n

15.

4 to 1 MUX would have

a)

2 inputs

b)

3 inputd

c)

4 inputs

d)

5 inputs

16.

The enable input is also known as ___________

a)

Select input

b)

Decoded input

c)

Strobe

d)

Sink