Answer:
The correct answer for the given question is "Computer virus"
Explanation:
A computer virus is a software program that is installed automatically without user's knowledge and designed to duplicate itself .The main purpose of computer virus is to harm the computer system.
Some of the points regarding computer virus
1.The computer virus contain malicious software Which harm the computer system.
2.It damage the computer computer system in such away that sometimes users will unable to access some certain functionality of computer system.
Answer:
The ifconfig command.
Explanation:
A linux network system, like cisco networking devices, uses the linux operating system, in which it configuration differs from that of the cisco. It is very essential in network administration of have the basics in linux systems.
The network administrator uses the "ifconfig" command to display the IP addresses and subnet masks assigned to each network interface on a linux system.
Answer: In operating system a code segment which accesses some shared variables or resources one at a time atomically such other no other code or process is accessing that resource or variable at the same time.
Entry section code block allows the access to the shared resource or variable and exit section code signals the termination from access to the shared resource or variable.
Explanation:
Entry and exit section codes needs to check certain properties before allowing the access and removal of access to a particular code segment.
These conditions are:
1. Bounded waiting.
2. Mutual exclusion.
3. checking thread execution status to allows other threads to enter the critical section (CS).
Answer:
this is more of an opinion question regarding what you personally do
Answer:
c I have took this test hefore
