1. Which of the following is the ascending order of data hierarchy.
a. bit - byte - record - field - data base - file
b. bit - byte - field - record - file - database
c. bit - byte - file - field - record - database
2. The OSI reference model defines the function for seven layers of protocols
a. including the user and communication medium.
b. not including the user or communication medium.
c. including the communication medium but not the user.
d. including the user but not the communication medium.
3. Magnetic tape can serve as
a. input media
b. output media
c. secondary storage media
d. all of the above
4. EEPROM is
a. easily erasable
b. non-erasable
c. effectively erasable
d. electrically erasable
5. Which of the following component of a computer system is the most important to a data base management system
a. mouse
b. high resolution video display
c. printer
d. high speed, large capacity disk
6. Working of the WAN generally involves
a. satellite
b. frame delay
c. ATM
d. user agent
7. A typical modern computer uses
a. magnetic cores for secondary storage
b. LSI chips
c. magnetic tape for primary memory
d. more than 10,000 vaccum tubes
8. To connect a computer with a device in the same room, you might be likely to use
a. a coaxial cable
b. a dedicated time
c. a ground station
d. all of the above
9. A kilobyte also referred to as KB, is equal to
a. 1000 bytes
b. 1024 bytes
c. 2048 bytes
d. 512 bytes
10. Inputs to your computer is accomplished using the
a. Screen
b. keyboard
c. printer
d. plotter
Answers:
1. b
2. b
3. d
4. d
5. d
6. a
7. a
8. a
9. b
10. b