Other application areas
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_ Law enforcement to carry out biometric mapping activities like fingerprint
matching and store forensic information.
_ Banking to keep client accounts details and issue cash transaction services at the
automated teller machines (ATM).
System Software
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Does fundamental tasks such as computer boot up and system control. System software
are further classified into:
1. Operating system
2. Utility software
3. Network software
4. Firmware
Operating System
|
An operating system is a program that manages the computer hardware resources and
controls the execution of application programs. Examples are:
1. Microsoft Windows 98/2000/Me/2003/Vista
2. UNIX
3. Linux
4. MacOS
Utility Software
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Utility software also called service programs are special programs used to enhance
perform both at system and user levels.
System level utilities optimizes system performance while application level utilities help
in smooth running of application programs. Examples are
1. Norton utility
2. McAfee suites
Network Software
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Networking software enables computers and other peripheral devices connected on a
network to communicate and share resources. Examples are:
1. Novell Netware
2. UNIX
3. Windows NT based operating systems
Firmware, also referred to as stored logic is an integration of both hardware and software
on a single silicon chip. These are mostly packaged as ROM chips.
18
Advantages and disadvantages of computer
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In this lecture, you will be introduced to the advantages and disadvantages of computers.
Advantages of computers
_ Large storage of data in small amount of space.
_ Quick and accurate calculations than humans.
_ Continuously work with repetitive work( contusive environment)
_ Simulation of dangerous situations.
Disadvantages
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_ Expensive to introduce.
_ Health hazards.
_ Downtime-.
_ Redundancy in the work place.
_ It can lead to misuse of information.