Question

CLASS IX
COMPUTER APPLICATION- TEST PAPER
Time:1 hr
M.M 20
21. Fill in the blanks:
5x1=5
is the data fed into the computer.
are used to scan text or pictures into a computers memory where
they can be manipulated in some way before being printed.
c) A
is an input device used for speech recognition systems, or to record
your voice.
d) The processed form of data is called
e) Dot matrix is an example of
printer
b)
5x1=5
22. Answer in one word:
a) Write the name of a volatile memory.
b) Which device produces hard copies as an output?
c) In which part of CPU all the mathematical and logical operations are done?
d) How many KB are there in one GB?
e) Which secondary storage device requires a USB port to be accessed?
5x2=10
23. Answer the following questions:
a) Define IPO cycle.
b) Write any two differences between primary and secondary memory.
c) Write the full form of: VDU and BIOS.
d) Explain any two strengths and two limitations of computer.
e) Define hardware and software with examples​

Answer 1

Answer:

I don't know the answer because I cannot understand the question