SCL 3 (QUESTION NO.1) : OPERATING SYSTEM AND FILE MANAGEMENT

SCL 3: OPERATING SYSTEMS AND FILE MANAGEMENT

·        List down all the operating system used in a desktop/laptop today and find good descriptions of how operating systems work? Hence, state their advantages and disadvantages.

The operating system used today:

  

                 Microsoft Windows

  

        Mac OS

  

        Unix and Linux

                  DOS

How operating systems work?

An operating system (OS) is a collection of software that manages hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function.

An operating system helps the computer do a lot of amazing things, and, broadly speaking, it works in two basic ways:

·         First, the computer's operating system coordinates the demands that the computer's software makes on its hardware, especially the central processing unit. Each piece of software running on the computer ideally would like to have the undivided attention of its hardware. It's the operating system's job to make sure that each application gets its fair share of the computer's finite resources in the most efficient way possible.

·         Second, the operating system provides a consistent set of rules for applications to use in order to be able to interface with the computer's hardware. The system's application program interface lets developers create software that will run on computers of the same type even if the hardware is different or open to change.

  Advantages and Disadvantages of Operating Systems

Operating system	advantages	disadvantages
Microsoft windows	·         Provides ready-made solutions that can be implemented by anyone who’s use the computer. ·         Big in size	·         Easy to attack by virus and malicious software. ·         Not strong enough for high security.
Mac OS	·         Custom-made to work with Apple’s hardware that gives it a level of efficiency, power, and stability. ·         Not easily affected by the virus.	·         Expensive ·         Could not assembled on its own
UNIX	·         There’s a lot of security build that why they don’t get hacked. ·         Compatible for user-level programs.	·         Lack of use in the consumer market. ·         Did not use the same file format for others program.
LINUX	·         Easy to update and installed ·         100% free software.	·         Not usually use by office workers. ·         Learning curve for new people to Linux
DOS	·         Will run on a much smaller system. ·         Easier to write special purpose programs.	·         Not compatible with current browsers and most internet. ·         Very few programs available.

This task is completed by :

1.      Ruth Vanessa ak Retel ( A1301090 )

2.      Dayangku Nur Hamiza bt Awing Kedari ( A1300197 )

3.      Nur Shahirah bt Mohd Shaharin ( A1300884 )

4.      Mizana bt Ameri ( A1300423 )