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Question:
(a) Provide types of computer systems and briefly describe each one.
(b) With the help of example, explain the difference between open source software, freeware and shareware.
(c) Nowadays many people, whether at home or in business, make use of applications software to facilitate their lives. Describe two productivity software and for each one, define its purpose.
(d) A port is a connecting socket on the outside of the system unit. Differentiate between the serial port and parallel port, give examples for their uses.
What is an operating system? An operating system is a program that handles the computer hardware. It acts as an intermediate among users of a computer and the computer hardwar
A message is a string of bytes that has meaning to the applications that use it Message = Header(s) + Application Data A message having of a header and the attached applicat
Q. Illustrate control and timing signals? The requirement of I/O from different I/O devices by processor is quite unpredictable. In fact it relies on I/O needs of particular pr
The access time of ROM using bipolar transistors is about ? Ans. About 1 µ sec is the access time of ROM using bipolar transistors.
Q. Definition of Decision support system? Definition of DSS: A decision support system is a specific kind of information system which is an interactive system that supports in
The term 'page traffic' describes? Ans. Page Traffic describes the movement of pages in and out of memory.
Example of Bitwise-AND Operator In the following example, the bitwise-AND operator (&) compares the bits of two integers, nNumA and nNumB: // Example of the bitwise-AND oper
Summary of Tasks The Task Summary tries to shows the amount of duration each task has spent starting from initialization of the task till its completion on any processor as d
Desk Top Publishing (DTP) As word processors develop increasingly more sophisticated features, differences with desk top publishing (DTP) packages becomes more and more blurred
What is automated information system Using this automated information system affords below benefits to the company and customers: - System can be linked into websites to g
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