ICS FA Computer Notes Part 1 Chapter 6 (Security Copyright and Law) Short Questions from Past Papers 1st Year Notes Online Taleem Ilm Hub
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Q 1. What is meant by Antivirus?
Ans. An antivirus program protects a computer against
viruses by identifying and removing any computer viruses found in memory, on
storage media, or on incoming files. Most antivirus programs also protect
against worms and Trojan horses. When you purchase a new computer, it often
includes antivirus software.
Q 2. What is
the purpose of password?
Ans. The purpose of the password is to maintain the
security if any system by restricting user. Passwords are used also for
authentication, validation, and verification in computer systems.
Q 3. What do
you know about copyright act?
Ans. This is a list of copyright Acts, which are laws
enacting the copyright. It provides security to creators to misuse their
creations.
Q 4. What is
boot sector virus?
Ans. Boot sector virus resides in the boot sector of
the hard disk and damages the most important files that are needed by the
operation system to boot.
Q 5. What is
logic bomb?
Ans. They are not considered as viruses because they
do not replicate. They are not even programs in their own right but rather
camouflaged segments of other programs. Their objective is to destroy data on
the computer once certain conditions have been met. Logic bombs go undetected
until launched, and the results can be destructive.
Q 6. What is Trojan horse?
Ans. Trojan horse is a virus program that hides itself
with common computer files like zip file. Whenever the infected files are
opened the virus activates.
Q 7. What are
the causes of virus?
Ans. The major causes of virus are following:
- Using external media like CD's, DVDs, USB, and Floppy disk.
- Opening virus infected email.
- Using infected websites
Q 8. What is
data security?
Ans. Data security provides the measures and means to
protect personal and organizational data. It is the practice of keeping data
protected from corruption and unauthorized access.
Q 9. How
virus is activated?
Ans. Virus is activated according to conditions which
are written in the virus program. Some viruses automatically activated when they
are copied into a system or some wait for an event to be activated.
Q 10. What is
Redlof?
Ans. Redlof is a polymorphic virus that embeds itself
without any attachment to every e-mail sent from the infected system.
Q 11. Define
pirated software?
Ans. The software which is used without giving license
or permission by the developer is called pirated software.
Q 12. List
different types of viruses?
Ans. Following is the list of viruses.
- Boot Virus
- Resident Virus
- Polymorphic Virus
- Overwrite Virus/ Stealth virus
- Macro Virus
- File Infectors
- Companion Viruses
- FAT Virus
sir mcqs nd long questions k notes ni mil rahy :(
ReplyDeleteAbhi sirf short question hi hain. short question kay bd mcq or long question start karoon ga.
Deletejaldee banoo papers a gaye hain
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