Computer Quiz

1. Which of the following refers to a small, single site network? 
(1) CPJ
(2) DSL
(3) RAM
(4) USB
(5)  LAN

2. Computer connected to a LAN {Local Area Network) can
(1) share information and/or share peripheral equipment
(2) go on line
(3) run faster
(4)   E-mail
(5) None of these

3. Which of the following performs modulation and demodulation?

(1) modem

(2) satellite

(3) coaxial cable

(4) fiber optics

(5) none of the above

4. The sharing of a medium and its path by 2 or more devices is called _____.
(1) Multiplexing
(2) Encoxing
(3) Line discipline
(4) Modulation
(5) None of these

5. Which multiplexing technique transmits ariatog signals ?
(1) Asynchronous TDM
(2) Synchronous TDM
(3) FDM
(4) Both (2) and (3)
(5) None of these

6. Network   components   are connected to the same cable in the— topology,
(1) mesh
(2) ring
(3) bus
(4)   star
(5) mixed

7. Two or more computers connected to each other for shar-ing information form a —— 
(1) pipeline
(2) router
(3) server
(4) tunnel
(5) network

8. Office LANs that are spread geographically apart on a large scale can be connected using a corporate —— 
(1) CAN
(2) WAN
(3) DAN
(4) LAN
(5) TAN

9. For separating channels in FDM, it is necessary to use
(1) Differentiation
(2) Bandpass filters
(3) Time slots
(4) All of the above
(5) None of these

10. Encryption and decryption are functions of
(1) Transport layer
(2) None of these
(3) Presentation layer
(4) Allot the above
(5) Session layer

Answers:

1.  (5)
2.  (1)
3.  (1)
4.  (1)
5.  (3)
6.  (4)
7.  {5)
8.  (2)
9.  (3)
10. (5)