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)
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