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WorksheetsUNIT-1 Integrated circuits
Total questions: 35
Worksheet time: 18mins
How many types of integrated circuit packages are available.
5
3
7
>20
Which material is used for conduction in an integrated circuit?
Copper
Aluminum
Both aluminum and copper
None
When was the first IC invented?
1943
1947
1960
1969
What kind of input is given to operational amplifier?
Inverting input
Non-inverting input
Differential input
All are correct
Operational amplifier has
Low input and output impedance
High input and output impedance
High input impedance and low output impedance
Low input impedance and high output impedance
Choose the disadvantage of an integrated circuits.
It is fragile.
Difficult to fabricate.
Limited power rating
All are correct
The output of integrated circuits in voltage regulators
Always zero
Always infinite
Output changes with the input
Get constant output regardless of input.
Ultra large-scale integration is used in fabrication of
16 and 32-bit microprocessors
8-bit microprocessors,RAM,ROM
Special processors and smart sensors
All are correct
An IC contains______?
Passive elements
Active elements
Both passive and active elements
None
The most complicated component fabricated on IC is________?
Diode
Resistor
Inductor
Transistor
Which of the following material is used to made IC?
Germanium
Silicon
Both germanium and silicon
Boron nitrate
Which of the following IC package is most used?
Metal can
Fat top package
Dual inline package
All are correct.
Why we use intermediate stage in internal circuits of an op-amp
To get infinity gain
To get zero gain
To reduce the gain
For clipping and clamping
The most commonly used integrated circuits are
Thinfilm
Thickfilm
Monolithic
Hybrid
IC's Used in computers are
Analog
Digital
Linear
All are correct
Which of the following circuits are not made with digital IC's?
Multiplexers
Demultiplexers
Counters
Shift registers
Which of the following circuits are made up of linear IC's?
Multiplexes
Demultiplexers
Counters
Shift resistors
In the 741 operational amplifier the term 741 comes by
7 functional pins,4 pins capable of taking input and one output pin
7 functional pins,2 pins capable of taking input,2 null pins and 1 output pin
Upgraded version of 555 IC
Upgraded version of 74LS48
________ Is the voltage that must be applied between the two terminals of an op-amp to get null output
Invert and non-invert terminals
Offset voltage.
+VCC and -VCC
Input voltage
The op-amps rarely used in open loop gain because of
Power efficiency
No gain
low gain
Infinite gain
Why would we use the feedback concept in op-amps?
To decrease the gain
To increase the input
To increase the gain
To increase the input
The maximum rate of change of output voltage caused by a step input voltage is called
Output impedance
Input impedance
Slew rate
CMRR
What is the output expression of differential amplifier?
(v1) A
(V1-V2) A or (V2-V1) A depends on circuit
(V1-V2) A
(V2-V1) A
The logic gates used in large scale IC's are
<12
>12<100
>100<1000
>1000
Which of the below circuits are also known as digital circuits?
Coders
Timer circuits
Both coders and timer circuits
Switching circuits
What is the primary function of an integrated circuit?
Data storage
Signal amplification
Complex circuit integration
Electrical isolation
An ideal operational amplifier has
Finite voltage gain
Infinite voltage gain
Finite input impedance
Finite output impedance
A practical operational amplifier has
Infinite input impedance
Infinite output impedance
Infinite voltage gain
Finite voltage gain
In which devices the mixed signal is used as an input to an IC
Microprocessors
Microcontrollers
Voltage regulators
Analog to digital converters
Advantages of integrated circuits are.....
High processing speed
High reliability
Both high processing speed and reliability
none
Classification based on chip size how many types of scale integrations are there at present
4
5
6
7
Use of bubble type hole in the IC
Indicates the beginning IC pins.
Indicates the ground pin.
Indicates the ending of IC pins.
None
Open loop configuration in operational amplifier
Output will always zero
Does not consist of feedback
Sometimes both exist.
Consists of feedback
The negative input terminal in operational amplifier is known as
Inverting terminal
Non-inverting terminal
Both inverting and non-inverting
None
If we use only inverting input in an op-amp, then
Loading effect will be arises.
Loading effect will be reduced.
Completely avoids the loading effect.
Always output will be zero.
