Sunday 8 September 2013

SCL 3 (Question 1)

1.        List down all the operating system use in a desktop/laptop today and find good descriptions of how operating system work? Hence,state that advantages and disadvantages.

Operating System
             Description
Advantages
Disadvantages
Microsoft Windows
A friendly operating system
-Works with most kind of software and hardware.
-Easily to catch on virus and trojan
Mac OS
High quality software
-Not easily affected by the virus.
-Software on Mac OS is not so complete.
UNIX and Linux
The simplest term of an operating system.
-It is free and easy to use.
-More stable and does not go down as often as windows does, therefore it require less administration and maintainence.
-It has no standard edition,which makes it difficult for beginners to use the system.

DOS
The first operating system used by IBM-Compatible computers.
-DOS is very lightweight and is allows direct access to most hardware.
-DOS will run on a much smaller system. (Entire OS can be placed on a single modern ROM chip.)
-It’s a single user OS (One user can work at one time)
-It’s a single tasking (One application can run at a time)
-It does not support Graphics.
Handheld operating system
An operating system that can run various types of application software known as apps.
-Portable
-Smaller than typical laptop.
-Can replace nootbooks.
-Smaller keyboard, thus it is hard to type.
-Too small, thus it makes it easily to be stolen.

By : Muhamed Danish
Luqman

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