1. Block on buffer caches are used:
(1) to handle interrupts
(2) to increase capacity of main memory
(3) to improve disk performance
(4)to speed up main memory read operation
2. Two basic types of OS are:(1)batch and interactive
(2) sequential and real-time
(3) batch and time-sharing
(4) sequential and direct
(5) batch and sequential
3. Bubble memory is only a:
(1) sequential access device
(2) direct access device
(3) combination of sequential and direct access devices
(4)interactive device
(5) None of these
4. NACS stands for:
(1) Network Asynchronous Communication Services
(2) Network Asynchronous Communication System
(3) Network Asynchronous Communication System
(4) Network Asynchronous Communication Services
(5) Network Asynchronous Communication System
5. ICMP, RIP and BGP protocols are applicable in ……layer.
(1) Network (2) Application
(3) Presentation (4) Session
(5) Transport
6. A device designed to read information encoded onto a small plastic card is .
(1) light pen (2) pun chard card
(3) magnetic tape (4) magnetic
(5) badge reader
7. DTC data (Encryption standard) uses ----- bit key for encryption.
(1) 56 (2) 54
(3) 52 (4) 53
(5)55
8. The metical disk which is permantially housed in seated containers is called.
(1) Hard disk (2) floppy disk
(3) data link (4) presentation
(5) physical
9. The most common application of twisted pair cable is ____?
(1) Cable TV (2) Internet
(3) Extranet (4) Network
(5) Telephone system
10. Decryption and encryption of data are the responsibility of __ layer.
(1) Physical (2) Network
(3) Section (4) presentation
(5) Transport
Answers:
1 | 3 | 5 | 1 | 9 | 5 |
2 | 1 | 6 | 5 | 10 | 4 |
3 | 3 | 7 | 1 | ||
4 | 4 | 8 | 5 |
No comments:
Post a Comment