objective section C

1. Flash memory is used in ?
A. Digital cameras
B. Cellular phones
C. LAN switches
D. All of the above
Answer :

2. Converts digital data to analog and vice versa ?
A. Sound card
B. LAN card
C. Modem
D. Video card
Answer :

3. With which of the following characteristics the design issues of a physical layer does not deal ?
A. Mechanical
B. Electrical
C. Functional
D. None of the above
Answer :

4. Which topology of LAN uses circuit switching ?
A. Ring
B. Tree
C. Star
D. None of the above
Answer :

5. ------------- layer in OSI model starts, stops and governs transmission order of information ?
A. Session
B. Network
C. Application
D. Transport
Answer :

6. Which of the following layers of the OSI refer-ence model resolve problems of damaged or lost or duplicate frames ? 
A. Data link layer
B. Network layer
C. Session layer
D. None of the above
Answer :

7. The concentric circles on floppy disk created for storing data are known as ?
A. Tracks
B. Cylinders
C. Sectors
D. Segments
Answer :

8. DVD stands for ?
A. Digital versatile disk
B. Digital value disk
C. Direct versatile disk
D. Dual versatile disk
Answer :

9. Typical capacity of a 3.5" FDD is ?
A. 360 MB
B. 1.2 MB
C. 1.44 MB
D. 6 MB
Answer :

10. DVD has-----------more storage capacity than CD ?
A. 2 time
B. 200 time
C. 7 time
D. none of the above
Answer :