1. Answer briefly:
(1) Write any three lab rules.
Ans. Do not remove or
disconnect any cable, Use keyboard and mouse and gently and always move the
mouse on the mouse pad.
(2)Write any three moral values.
Ans. Do not change any
computer settings, Do not read or modify other users file and Don’t use pirated
software.
(3)What happened if suddenly electricity goes off?
Ans. If there is sudden
power failure, Hardware may get permanently damaged while software may get
corrupted.
(4)What are the precautions taken while sitting in front
of the computer?
Ans. Sit straight, end
fingers less, he monitor should be at least 2 feet away from you and blink your
eyes often.
2. Answer in one
sentences:
(1) What is a virus?
Ans. Computer virus is
a small program, which infects the computer by corrupting the files, and uses
the computers memory with out our knowledge.
(2) What is the use of UPS?
Ans. In the case of
power failure, an UPS can supply power for some more time allowing you to
safely shutdown the computer.
(3) Name some of
the antivirus programs?
Ans. Norton, AVG, IBM
and Quick Heal.
(4) How does virus
affect the computer?
Ans. Virus enters the
computer while surfing the net or through e-mails, as well as through infected
floppies, CD’s and pen drives.
3. Fill in the blanks:
(1) The full form of
UPS is Uninterrupted Power Supply.
(2) The monitor Should
be at a distance of 2 feet..
(3) Blink your eyes often an look around to give
rest to the eyes..
(4) Do not change any
computer settings.
(5)To detect the virus
in a computer Anti Virus program is used.
4. State true or False:
(1) Always keep mouse
on mouse pad.
True
(2) Compter virus is a
hardware.
False
(3) Norton, AVG, are
antivirus programs.
True
