Computer Quiz

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

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


Answers
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