Computer Awareness Test -1

1. OSI model is used for what -
a) to flow data from one computer to another over network
b) to flow data from many computers to super computer
c) to forcast the whether
d) to assess the earthquake

2. OSI model has how many layers -
a) 5
b) 6
c) 7
d) 9

3. The layer of OSI model from data starts flowing is called -
a) Application Layer
b) Data Link Layer
c) Session Layer
d) Physical Layer

4. Which of the following is used by companies/retailers to extract the information from large databases?
a) Data Mining
b) Data Warehousing
c) Data Extractor
d) Data Connversion

5. TCP stands for what -
a) Transmission Control Protocol
b) Transmission Control Process
c) Transfer Control Process
d) None of these

6. Information retrieval is faster from -
a) Floppy disk
b) Magnetic tape
c) Hard disk
d) None of the above

7. Modem stands for -
a) A type of secondary memory
b) Modulator demodulator
c) Mainframe operating device memory
d) None of the above

8. Typical data transfer rate in LAN are of the order of
(a) Bits per sec
(b) Kilo bits per sec
(c) Mega bits per sec
(d) None of the above

9. Ethernet uses
(a) Bus topology
(b) Ring topology
(c) Mesh topology
(d) None of the above

10. A large number of computers in a wide geographical area can be efficiently connected by
(a) Twisted pair lines
(b) Coaxial cables
(c) Communications satellites
(d) None of the above

11. Bug means -
(a) A logical error in a program 
(b) Documenting programs using an efficientDocumentation too
(c) A difficult syntax error in a program
(d) None of the above

12. A step by step procedure used to solve a problem is called
a) Operating system
b) Algorithm
c) Application Program
d) None of the above

13. Computer follows a simple principle called GIGO which means:
a) garbage input good output
b) garbage in garbage out
c) great instructions great output
d) good input good output

14. A bootstrap is:
a) a memory device
b) a device to support the computer
c) a small initialisation program to start up a computer
d) an error correction technique

15. ADSL stands for -
a) Asymmetric Digital Subscriber Line
b) Asymmetric Data Subscriber Line
c) Aligned Data Subscriber Line
d) None of these