1. A device operating at the physical layer is called a
1)
Bridge
2) Router
3)
Repeater
4) All of the above
2. For separating channels in FDM, it is necessary to use
1) Time
slots
2) Bandpass filters
3)
Differentiation
4) All of the above
5) None of these
3. Encryption and decryption are functions of
1) Transport
layer
2) Session layer
3) Presentation
layer
4) All of the above
5) None of these
4. Which of the following computer language is a
mathematically oriented languages used for scientific problems?
1)
FORTRAN
2)
COBOL
3) LISP
4)
PROLOG
5) APPLE
5. ________
is when the more power-hungry components, such as the monitor and the hard
drive, are put in idle.
1) Hibernation
2) Power down
3) Standby mode
4) The shutdown
procedure
5) None of these
6. Hard
disk drives are considered ________ storage.
1) flash
2) non-volatile
3) temporary
4) nonpermanent
5) None of these
7. The
________ key and the ________ key can be used in combination with other keys to
perform shortcuts and special tasks.
1) Control, Alt
2) Function, toggle
3) Delete, Insert
4) Caps Lock, Num
Lock
5) None of these
8. The
most common input devices are the ________ and the ________.
1) microphone,
printer
2) scanner, monitor
3) digital camera,
speakers
4) keyboard, mouse
5) None of these
9. To
save an existing file with a new name or to a new location, you should use the
________ command.
1) Save
2) Save and Replace
3) Save As
4) New File
5) None of these
10. A(n)
________ is a combination of hardware and software that facilitates the sharing
of information between computing devices.
1)
network
2) peripheral
3) expansion board
4) digital device
5) None of these
11. The
term bit is short for ________
1) megabyte
2) binary language
3) binary digit
4) binary number
5) None of these
12. Computers
gather data, which means that they allow users to ________ data.
1) present
2) input
3) output
4) store
5) None of these
13. Which
of the following terms is just the connection of networks that can be joined
together ?
1) virtual private
network
2) internet
3) intranet
4) extranet
5) None of these
14. ________
is a form of permanent memory that holds all the instructions the computer
needs to start up and does not get erased when the power is turned off.
1) The Network Interface Card
(NIC)
2) The CPU
3) RAM
4) ROM
5) None of these
15. Servers
are computers that provide resources to other computers connected to a ________
1) network
2) mainframe
3)
supercomputer
4) client
5) None of these
1. 3
2. 2
3. 3
4. 1
5. 3
6. 2
7. 1
8. 4
9. 3
10. 1
11. 3
12. 2
13. 2
14. 4
15. 1
2. 2
3. 3
4. 1
5. 3
6. 2
7. 1
8. 4
9. 3
10. 1
11. 3
12. 2
13. 2
14. 4
15. 1
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