Computer Knowledge #20 Multiple Choice Questions

COMPUTER KNOWLEDGE #20

MULTIPLE CHOICE QUESTIONS

1. What do we call the keys that change the meaning of what you type?

(a) Change keys

(b) Keyboard

(c) Modifier keys

(d) Disk space

Answer: (c)

2. 4GL stands for which of the following?

(a) Four Generation Language

(b) Fourth Generation Language

(c) Four General Language

(d) Fourth General Language

Answer: (b)

3. Which one of the following is not a client-server application?

(a) Ping

(b) Web browsing

(c) Internet chat

(d) E-mail

Answer: (a)

4. The protocol data unit (PDU) for the application layer in the internet stack is ……………

(a) datagram

(b) segment

(c) frame

(d) message

Answer: (d)

5. A modem is connected to which of the following?

(a) A scanner

(b) A printer

(c) A telephone line

(d) A monitor

Answer: (c)

6. A hybrid computer uses which of the following to convert digital signals from a computer into analog signals?

(a) Modulator

(b) Modem

(c) Demodulator

(d) Decoder

Answer: (b)

7. Which of the following is a network node joining three or more links?

(a) DTE and DCE

(b) DCE

(c) DSE

(d) DTE

Answer: (c)

8. What is called the modem that is attached to the telephone system by jamming the phone’s hand-set into two flexible receptacles in the coupler?

(a) Acoustic coupler

(b) Time-division multiplexer

(c) Gateway

(d) Bridge

Answer: (a)

9. Which of the following program is used to copy files to or from another using time-sharing system over a single link?

(a) UART

(b) VMTP

(c) UUCP

(d) TFTP

Answer: (a)

10. If you want to connect to your own computer through the Internet from another location, you can use which of the following?

(a) E-mail

(b) Telnet

(c) FTP

(d) Instant message

Answer: (b)

11. Computers send and receive data in the form of which of the following signals?

(a) Demodulated

(b) Digital

(c) Analog

(d) Modulated

Answer: (b)

12. Printer is an example of which of the following?

(a) Storage device

(b) Processing device

(c) Input device

(d) Output device

Answer: (d)

13. Which of the following types of channels moves data relatively slowly?

(a) Wideband channel

(b) Narrowband channel

(c) Broadband channel

(d) Voiceband channel

Answer: (b)

14. If you wish to extend the length of the network without having the signal degrade, you would use which of the following?

(a) Repeater

(b) Router

(c) Switch

(d) Gateway

Answer: (a)

15. Frames from one LAN can be transmitted to another LAN via which of the following device?

(a) Router

(b) Modem

(c) Bridge

(d) Repeater

Answer: (c)

16. Which is a device that changes information into digital form?

(a) Modem

(b) Light pen

(c) Mouse

(d) Digitizer

Answer: (d)

17. Which of the following is a group of instruction that directs a computer?

(a) Information

(b) Logic

(c) Program

(d) Data

Answer: (c)

18. Who invented the microprocessor?

(a) Jonathn Smith

(b) Joseph Jacquard

(c) Marcian E. Hoff

(d) Herman H. Goldstein

Answer: (c)

19. Control unit of a digital computer is often called as which of the following?

(a) System center

(b) Logical center

(c) Input center

(d) Nervous center

Answer: (d)

20. The system unit of a personal computer typically contains all except which of the following?

(a) Microprocessor

(b) Monitor

(c) Modem

(d) RAM

Answer: (c)