Question # 1

Which of the following example of embedded system include.

Choose an answer

MP3 Players

Smart watches

Digital Cameras

All of these

A ------------ network is a radio network distributed over a vast area through hexagonal cell

Choose an answer

Li-Fi

Wi-Fi

Satellite

Cellular

------------- is a secured connection over the internet.

Choose an answer

LAN

WAN

VPN

None of these

Data is transferred using some ..... or.............media

Choose an answer

Wired

Wireless

Both a and b

None of these

Number of waves passing through an area per unit time is called.

Choose an answer

VPN

Router

Bridge

Frequency

The best known examples of .......... include TV cable netweork, cable internet, etc.

Choose an answer

LAN

WAN

MAN

All of these

There are main categories of unguided media.

Choose an answer

Two

Three

Four

Five

Li-Fi is a wirless optical networking technology that uses....... for data transmission

Choose an answer

Fiber optic cable

Coaxial cable

LEDs

None of these

A ---------- is the data to be sent.

Choose an answer

Sender

Message

Receiver

None of these

-------- are electromagnicte waves that have frequencies between \1 and 300 GHz.

Choose an answer

Radio waves

Micro waves

Infrared waves

All of these

Physical media is also called.......... or........

Choose an answer

Guided media

Bounded media

Both of above

None of these

------- is the unit of frequency.

Choose an answer

Meter

Hertz

Joule

None of these

PSTN or satellite links are....... devicesused for WAN.

Choose an answer

Deleting

Storing

Communication

All of these

The network with a small geographical area is called.

Choose an answer

LAN

WAN

MAN

All of these

The-------------- spectrum has frquencies between 300 GHz and 400 THz.

Choose an answer

Infrared

Radio waves

Micro waves

None of these

WiFi stand for

Choose an answer

Wired Fidelity

Wireless Fidelity

Wired Function

None of these

More Classes

Other Links

8th Computer Science Chapter 2 Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer