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Question:
(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.
(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered necessary.
(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.
(d) Briefly describe the four factors that affect the performance of a monitor.
(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.
Explain what is DTMF signalling. Dual Tone Multi Frequency (DTMF) was initially introduced in 1963 with 10 buttons into Western Electric 1500 -type telephones. Dual Tone Multi
Explain dynamic server creation briefly. Dynamic Server Creation: If only one server handles one request at a time, each client should wait while the server fulfils the on
What are the blocks of microprocessor based system 1. The Memory and I/O System 2. The DOS Operating System 3. The Microprocessor
Q. Illustrate the Cache Memory Operation? It comprises a copy of a part of main memory contents. When a program is running and CPU tries to read a word of memory (instruction o
What does a lock object involve? The tables. The lock argument.
What is EDI (Electronic Data Interchange)? EDI: Electronic Data Interchange (EDI) is used by organizations for transactions that happen on regular basis to a pre-determined for
Q. Show Buffered mode for Point-to-point Message Passing? Buffered mode: Transmitting can be started whether or not matching receives has been started and transmitting may comp
Packet switching is used for (A) Credit card verification (B) Automated Teller Machine (C) The internet and the World Wide Web (D) All of the above Ans
Q. Example on PUBLIC DIVISOR? Linker appends all segments having the same name and PUBLIC directive with segment name into one segment. Their contents are pulled together in co
Which method do you invoke on the DataAdapter control to load your generated dataset with data? DataAdapter.Fill(ds). The beauty of this method is it automatically implicitly
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