Hello
How may I assist you
1. Name the components of CPU
Ans. a) ALU b)PC c) Accumulator
d) MAR e) IR f) ID g) MDR
Hope this information was useful.
Have a nice day
BPO Call log
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2.Explain USB
Port (Universal Serial Bus).
Ans. a. It is a
high speed serial bus It is a plug
and play interface between computers and add on devices.
3.Give the
specifications of Laser printer.
Ans. a.
Resolution varies from 600 to 1200 dots per inch.
b. Speed varies
from 4 PPM to 24 PPM.
c. Buffer size
varies from 4MB to 32 MB
d. Can print
color images.
4.Write a note on
computer maintenance.
Ans
: a. Avoid heat
dust and noise
b. Periodic
updates and enhancements
c. Installing
fire walls and anti virus.
d. In house
software maintenance
e. Computer
periodic checkup.
5.What are the
possible threats to a comput
er system and how
to
provide security?
Ans
:
Threats
a. Privacy
b. Integrity
c. Environmental
damage
d. Human threats
e. Software
threats
f. Unauthorized
access
g. Computer
viruses
6. Explain the
cache memory in detail.
Ans
:
Cache memory is a
small and fast memory between CPU and main memory. It is extremely fast
compared to
normal memory. Transferring data between main memory and CPU causes delay
because
RAM is slower
than CPU. Cache memory stores copies of data from most frequently used main
memory
locations. When
processor needs to read from or write to a location in main memory, it first
checks
whether a copy of
data is in the cache. If so proc
essor immediately
reads or writes to cache.
7. Name the
different searching methods.
Ans: a. Linear
Search
b. Binary Search
8. Explain Binary
search algorithm
Ans: This
algorithm is used to search for an elemen
t in a sorted
list. The value of the element in the
middle of the
list is co
mpared with the
value of the element to
be searched for .
If the middle
element is
larger, the de
sired element has
to be in the upper of
the list. If the
middle element is
smaller, the de
sired element has
to be lowe
r half of the
list. The nu
mber of elements
to be
searched is reduced
by half in every
iteration.
9. What is an
array?
An array is a
group of
data of the same
data type
stored in
successive storage
locations.
10. What is
a user defined
function?
A user-defined
function is a comple
te and
independent progr
am unit, which
can be
used(or invoked)
by the main progr
am or by other
sub-programs
BPO Call log
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| Mobile1 | Query1 | Note1 |
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