Semua pelajar 5 IK 1 & 5 IK 2 :
Sila study soalan ini - discuss by group.
Questions :
1. Computer security means protecting our computer systems and the information they contain against unwanted access, damage, destruction or modification.
( a ) Give Two types of computer security [ 2 Marks ]
( b ) Security measures are precautionary measures taken towards possible
dangers or damages. State the appropriate security measures to
overcome the identified computer threats:
( i ) Data Backup [ 1 Mark ]
( ii ) Cryptography [ 1 Mark ]
( iii ) Antivirus [ 1 Mark ]
2. A system software is a program that controls or maintains the operations of a computer and its devices. A system software also serves as the interface between the user, the application software and the computer’s hardware. Two types of system software is utility program and operating system.
( a ) Define operating system and give two example of operating system.
[ 3 Marks ]
( b ) State two differences between operating system and utility program.
[ 2 Marks ]
Sceme :
1.
(a) hardware security, software security/data security,network security
(b) (i) Data Backup is a program of file duplication. Backups of data applications are necessary so that they can be recovered in case of an emergency.
(ii) Cryptography is a process of hiding information by altering the actual information into different representation.
(iii) An antivirus program protects a computer against viruses by identifying and removing any computer.
2. ( a ) An operating system is a set of programs that coordinates all the activities among
the computer hardware devices. In most cases, the operating system is installed and
resides on the computer’s hard disk. Examples, Linux, Windows XP, Unix etc