Computer Security Grade X Computer Security Chapter 3

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Computer Security Grade: X Computer Security (Chapter – 3) limitless opportunities in learning info@brushuponline.

Computer Security Grade: X Computer Security (Chapter – 3) limitless opportunities in learning info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security The protection given to the computer for the hardware, software, data and

Computer Security The protection given to the computer for the hardware, software, data and information from being lost or damaged due to accidental or intentional harm is known as computer security. It is a complex problem which includes policies, tools and techniques designed to protect a computer and its resources. The ways of computer security are: q Hardware security q Software security info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Hardware Security: The protection of all hardware components used in computer system

Computer Security Hardware Security: The protection of all hardware components used in computer system is known as hardware security. Hardware Security Measures: Ø Regular Maintenance Ø Insurance Ø Dust free environment Ø Protection from fire Ø Protecting from theft Ø Power Protection Devices (UPS, Volt Guard, Spike Guard) Ø Avoiding unrelated persons in the computer rooms info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Data & Software Security: The protection of data and programs used in

Computer Security Data & Software Security: The protection of data and programs used in computer system is known as software security. In other words, software security is the means by ensuring that the data and software kept safe from corruption and loss. Software Security Measures: Ø Password Protection Ø Backup System Ø Avoid pirated software Ø Use antivirus software Ø Use anti-spyware software Ø Use scandisk, chkdsk and defragmentation tool info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Common Terms: Backup is the system of copying data and programs into

Computer Security Common Terms: Backup is the system of copying data and programs into another location or creating duplicate copy of it’s in a secured place. Backups are essential to computer security system to save the important data and programs from the accidental or intentional harm. Password is a secret word or sequence of characters that gives a user access to a particular program or computer system. A password helps to protect the files and programs from being used by an unauthorized person. To protect the system from unauthorized access password should be used in the computer system. info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Common Terms: CHKDSK (Check Disk) CHKDSK is an important utility program that

Computer Security Common Terms: CHKDSK (Check Disk) CHKDSK is an important utility program that helps to keep a disk in good working condition. It checks files, folders, bad sectors, lost clusters, lost chains and any errors of the specific disk and it can fix them if it is possible. UPS Uninterruptible Power Supply (UPS) is a battery supported power protection device controls the electric voltage and supplies clean and continuous power to the computer system even during power failures. info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Common Terms: Fragmentation & Defragmentation The spreading of the parts of the

Computer Security Common Terms: Fragmentation & Defragmentation The spreading of the parts of the same disk file over different locations is called fragmentation. It makes slow disk access and breakdown the overall performance of the disk operation. Defragmentation is the process of rearranging the fragmented files in the continuous spaces on the disk. When the fragmented files are defragmented, the files and programs are loaded faster than previous. info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

Computer Security Question and Answer Session info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu.

Computer Security Question and Answer Session info@brushuponline. edu. np Brush-Up Online www. brushuponline. edu. np

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