The cyber crime refers the criminal activities like stealing of information, accessing data illegally, copying and distributing software illegally, etc. that harm computer system and users.
a. An electric device that supply steady electric power when electricity is cut off. - UPS
b. An electric device that supplies electric power when electricity is cut off. - UPS
c. A secret word that gives a user access to a particular file, program or system. - Password
d. A program that disinfects virus. ...
a. When a hard disk of a computer system get damage or lost, we don't lose any data and information. - False
b. Sometime by mistake user can delete important files. - True
c. Hardware securing means securing hard disk from being damaged. - True
d. Dust, fluctuation of electricity and overheat can damage hardware of the...
We need to defrag a hard disk because: - To analyze the disk and rearrange the fragmented files. - To reduce/control fragmentation. - To increase the performance of disk operation. - To increase the contiguous spaces on the disks.
The process of consolidating fragmented files by rearranging the fragmented files in the contiguous spaces on the disk that helps in normal functioning of a computer system is called defragmentation.
We can keep the hard disk and floppy disk in good condition by the following ways: - By using scan disk and antivirus programs. - By defragmenting the disks. - By keeping it in dust free environment. - Using power protection devices that prevents the damage of the disks.
The backup system helps to make the duplicate copy of data & software. If data and software get lost or damaged due to fluctuation of electric voltage, power failure , viruses or intentional then backup system helps us to recover the lost or damaged data or software from the backup copy of data and software. Hence, we need to backup data and software.
Followers
