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Information and Communication Technology Applications

• This is why sometimes when you install a new printer or other piece of hardware, your sys-
Notes tem will ask you to install more software called a driver.
• Algorithms are used for calculation, data processing, and automated reasoning.

7.8 Keywords

Embedded: Embedded operating systems are designed to be used in embedded computer systems.
Algorithm: In mathematics and computer science, an algorithm is an effective method expressed as
a finite list of well-defined instructions for calculating a function.
Flowchart: A flowcharts are used in analyzing, designing document or managing a process or
programs in various field.

7.9 Review Questions

1. What is an operating system?
2. Write short notes on real time operating system.
3. What is difference between multi-tasking and single-tasking
4. Define the functions of operating system.

Answers: Self Assessment

1. operating system 2. driver 3. algorithm
4. flowchart

7.10 Further Readings

1. Devarajan, (G). Information technology in libraries. Delhi: Ess Ess, 1990.
2. Ravichandra Rao, (IK): Library automation. New Delhi: Wiley Eastern.
th
3. Rowley, (J.) The electronic library. 4 ed. London: LA, 1998.
4. Satyanarayana, (NR): A manual of computerisation in libraries.

http://www.johnrouda.com/class/PDF/CPT%20257/01600_IM_ch15.pdf
http://library.thinkquest.org/11309/data/operate.htm#function
http://www.nos.org/htm/basic2.htm

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