1. Which of the
following memory is volatile
a. RAM
b. ROM
c. EPROM
d. PROM
2. The memory which
is programmed at the time it is manufactured is
a. ROM
b. RAM
c. PROM
d. EPROM
3. Which memory is
non volatile and may be written only once.
a. RAM
b. EE-PROM
c. EPROM
d. PROM
4. Which of the
following statements is wrong
a. magnetic core memory, RAMs and ROMs have constant access time
b. magnetic tape is non volatile
c. semiconductor memories are used as mass memory medium
d. An EPROM can be programmed, erased and reprogrammed by the user with an EPROM programming instrument
5. The fastest type
of memory is
a. tape
b. semiconductor memory
c. disk
d. bubble memory
6. In magnetic disks
data is organized on the platter in a concentric sets or rings called
a. sector
b. track
c. head
d. block
7. When we move from
the outer most track to the innermost track in a magnetic disk, the density
a. increases
b. decreases
c. remains the same
d. either remains constant or decreases
8. Which of the
following device can be used to directly input printed text
a. OCR
b. Mouse
c. MIC
d. Joystick
9. Which device can
draw continuous lines
a. daisy wheel
b. plotter
c. chain printer
d. impact printer
10. In which storage
device, recording is done by burning tiny pits on a circular disk
a. punched cards
b. floppy disk
c. magnetic tape
d. optical disk
11. Which of the
following printers uses light beam and electrostatically sensitive black powder
a. dot matric printer
b. daisy wheel printer
c. chain printer
d. laser printer
12. The primary
purpose of an operating system is
a. to make the most efficient use of the computer hardware
b. to allow people to use the computer
c. to keep system programmers employed
d. to make computers fast.
13. The operating
system manages
a. memory
b. processor
c. disk and I/O devices
d. all of the above
14. Scheduling is
a. allowing job to use the processor
b. unrelated performance considerations
c. quiet simple to implement, even on large main frames
d. the same regardless of the purpose of the system
15. Which of the
following translator program converts assembly language program to object program
a. assembler
b. compiler
c. macroprocessor
d. linker
16. Multiprogramming
systems
a. are easier to develop than single programming systems
b. execute each job faster
c. execute more jobs in the same time period
d. use only one large mainframe computer
17. What device is
used for entering x – y cordinates
a. card reader
b. joystick
c. keyboard
d. all of the above
18. Impact printers
a. strike a ribbon against the paper to produce character images.
b. include ink-jet and thermal devices
c. are more expensive than laser printers
d. use optical technology
19. Bar codes stores
information using
a. punched holes
b. dots
c. thick and thin tines
d. all of the above
20. How many types of
storage loops exist in magnetic bubble memory
a. 8
b. 4
c. 3
d. 2
21. In comparison to
the internal (main) memory, tape or disk memory is
a. slower and more expensive
b. slower and less expensive
c. faster and more expensive
d. faster and less expensive
22. One of the main
features that distinguish microprocessor from microcomputers is
a. words are usually larger in microprocessors
b. words are shorter in microprocessors
c. microprocessor doesnot contain I/O devices
d. computers are not fully integrated
23. microprocessor
with 'n' address lines is capable of addressing
a. 2n locations
b. 2(n + 1)locations
c. 2n locations
d. n2 locations
24. Which technique
is preferable for transferring a large amount of data to and from a memory in a
short time
a. DMA
b. Interrupt driven I/O
c. programmed I/O
d. None of these
25. Boolean
expression for the output of X-NOR (equivalence) logic gate with inputs A and B
is
a. AB AB
b. AB AB
c. (A B) (A B)
d. (A B) (A B)
1. a 2. a 3. d 4. c 5. b
6. b 7. a 8. a 9. b 10. d 11. d 12. a 13. d 14. a 15. b 16. c
17. b 18. a 19. c 20. d 21. b 22. c 23. c 24 a 25. c
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