1. A table consists
of
a. fields and columns
b. rows and columns
c. rows and cells
d. none of these
1. b
2. The purpose of an
index is to provide ........... to the file it is indexing
a. strorage area
b. access path
c. name
d. number
2. b
3. The database
environment has all of the following components execpt
a. users
b. separate files
c. database
d. database administrator
3. b
4. Which of the
following is an advantage of the database approach
a. elimination of data redundancy
b. ability to associate related data
c. increased security
d. All of the above
4. d
5. When changes occur
in a data item, if every file which contains that field should not be updated then,
it leads to
a. data redundancy
b. data inconsistancy
c. data security
d. data loss
5. b
6. When the same data
field is stored more than once in a file, then it leads to
a. data redundancy
b. data inconsistancy
c. data dependancy
d. data independency
6. a
7. Data security
threats include
a. privacy invasion
b. hardware failure
c. fraudulent manipulation of data
d. all of the above
7. d
8. Updating a
database means
a. revising a file structure
b. reorganizing the database
c. modifying or adding records
d. all of the above
8. d
9. Firmware means
a. software
b. hardware
c. software available on hardware
d. none of these
9. c
10. For each
instructions of program in memory the CPU goes through a
a. decode - fetch - execute sequence
b. execute - store - decode sequence
c. fetch - decode - execute sequence
d. fetch - execute - decode sequence
10. c
11. 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
d. bit - record - byte - field - file – database
11. b
12. A microcomputer
consists of atleast an input unit, an output unit, microprocessor unit and a
a. stabilizer
b. memory unit
c. printer
d. network
12. b
13. Magnetic tape can
serve as
a. input media
b. output media
c. secondary storage media
d. all of the above
13. d
14. Super computers
are mainly useful for
a. mathematical intensive scientific applications
b. data-retrieval operations
c. input-output intensive processing
d. all of the above
14. a
15. Which of the
following storage is volatile
a. semiconductor memory
b. floppy disk
c. CD-ROM
d. core memory
15. a
16. RAM chips
a. allow the computer to store data electronically
b. store data indefinitely unless you delete it
c. are secondary memory
d. all of the above
16. a
17. EEPROM is
a. easily erasable
b. non-erasable
c. effectively erasable
d. electrically erasable
17.d
18. Multiprocessing
a. makes the operating system simpler
b. allows multiple processes to run simultaneously
c. is completely understood by all major computer vendors
d. allows the same computer to have multiple processors
18. d
19. How many units in
a single bus structure will communicate at a time
a. 1
b. 2
c. 3
d. 14
19. b
20. Arithmetic logic
unit
I. perform arithmetic operations
II. store data
III. perform comparison
IV. communicate with input devices of the above the correct one is
a. I only
b. II only
c. I and II only
d. I and III only
20. d
ANSWERS
21. __________ is
processed by the computer into information.
A) numbers
B) processor
C) input
D) data
21:d
22. During the
__________ portion of the Information Processing Cycle, the computer acquires
data from some source.
A) processing
B) output
C) input
D) storage
22:c
23. Reusable optical
storage will typically have the acronym __________.
A) CD
B) RW
C) DVD
D) ROM
23:b
24. The __________
tells the computer how to use its components.
A) utility
B) network
C) operating system
D) application program
24:c
25. The most common
type of storage devices are __________.
A) magnetic
B) optical
C) flash
D) persistent
25:a
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