The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?

A

much greater complexity (more components) than bipolar circuits : better economy

B

higher operating speed than bipolar circuits

C

fewer power supply connections are required with MOS ICs

D

system designers are more familiar with MOS circuitary

E

None of the above

_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

A

NMOS, PMOS

B

PMOS, CMOS

C

NMOS, CMOS

D

MOSFET, PMOS

E

None of the above

LSI এর জন্য নিচের কোন লজিক বেমি ব্যবহার করা হয়-

A

TTL

B

HTL

C

RTL

D

N MOS

The functional capacity for LSI devices is

A

1 to 11 gates

B

12 to 99 gates

C

100 to 10,000 gates

D

more than 10,000 gates

E

None of the above

Digital ICs process ___________

A

Linear signals only

B

Digital signals only

C

Both digital and linear signals

D

None of the above

Advertisement : "Veran VE90 Digital Photocopier.Now digital technology makes this copier better than your average Lasee-copier.It means you get laser quality printing for only Tk. 30,029.99." The main selling point of this advertisement would be nullified if :

A

Laser-jet copiers work on average more quickly the VE90 copier

B

Laser-jet copiers cost less than Tk. 30,029.99

C

Laser-jet copiers produced inferior copies to the VE90

D

Laser-jet copiers cost more than Tk. 30,029.99

Education is importance for_____

A

an individual's nature

B

mind bosy, and sprit

C

equipping citizen for the modern world

D

physical development

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

A

Interface

B

Modem

C

Attenuation

D

Teleprocessor

E

None of the above

The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?

A

D/A converter

B

A/D converter

C

Voice recognition

D

Adapter

E

None of the above

Computer ICs work reliably because they are based on _____ design.

A

Top-bottom

B

System

C

Two-stage

D

Two-states

E

None of the above

The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_ and _ whereas MOS technology is better suited to LSI.

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