1. A device operating at the physical layer is called a
1) Bridge
2) Router
3) Repeater
4) All of the above
5) None of these
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
ANSWER:–
1. 3
2. 2
3. 3
4. 1
5. 3
6. 2
7. 1
8. 4
9. 3
10. 1
