A computer virus is an illegal and potentially damaging computer prog
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19 Jan 2022, 04:30
Paraphrasing:
Para 1: Brief, about how serious harm could be by computer software Virus?
Para 2: categorization of viruses: Boot Virus, File virus, and Trojan horse virus
Para 3: Behaviour of virus and detection by anti-virus or replace by uninfected back up files.
Para 4: Solutions to save computer from virus.
1. The passage provides support for which of the following statements?
Explanation: as mentioned in the passage,
“Computers can best be protected by installing a virus protection software” but no 100% full proof, as there are other ways of virus enter in the computer like Internet, floppy disc, or corrupt files etc, it might bring down the chances of virus damaging the computer virus.
A. Computer owners who use virus protection applications properly
are more likely not to suffer damages from computer viruses – Correct
B. Computer owners who use virus protection applications properly
will not suffer damages from computer viruses – Wrong, as explained above
C. Computer owners who use virus protection applications properly
are more likely to suffer damages from computer viruses – Wrong, it’s the opposite, which is needed.
For D, and E, as mentioned in the passage,
“Some damaged files cannot be repaired and must be replaced with uninfected backup files”
D. Some damaged files can be repaired so must not be replaced with uninfected backup files. - Wrong
E. Some damaged files cannot be repaired and must be replaced with infected backup files – Wrong
2. According to the passage, a worm is
As mentioned in the passage,
“A worm, which is similar to a virus, copies itself repeatedly until no memory or disc space remains”
A. a virus that copies itself repeatedly until no memory or disc Space remains. - Wrong
B. a virus that cannot be detected by an anti-virus program - Wrong
C. something similar to a virus that works by copying itself repeatedly until no memory or disc space remains -Correct
D. something similar to a virus that uses a logic bomb to performs an activity when a certain action occurs - Wrong
E. an anti-virus program that works by copying itself repeatedly until no memory or disc space remains - Wrong
3. According to the passage, computer viruses can spread by which of the following means?
I. Through boot programs –
A boot sector virus infects the boot program used to start the system.
When the infected boot program executes, the virus is loaded into the computer's memory
Here virus is not spread, virus is formed, Trap!
II. Through floppy disks –
Once a virus is in the memory, it can spread to any floppy disk inserted into the computer.
III. Through programs downloaded from the Internet –
Since one of the most vulnerable points of entry for viruses is the internet,
all programs and email messages downloaded from the Internet
A. I only – Wrong
B. II only – Wrong
C. I and II only – Wrong
D. II and III only - Correct
E. I and II and III – Wrong
4. According to the passage, a virus that inserts viral code into program files is a
Explanation: as mentioned in the passage,
“Once a virus is in the memory, it can spread to any floppy disk inserted into the computer.
The second type of virus, a file virus, inserts viral code into program files.
The virus then spreads to any program that accesses the infected file.”
A. Trojan horse virus - Wrong
B. time bomb - Wrong
C. worm - Wrong
D. file virus - Correct
E. boot sector virus - Wrong