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Objectives
After studying this unit you should be able to:
1. list various types of reprographic methods,
2. describe uses of various kinds of typewriters,
3. explain duplicating and copying processes and describe materials and machines required for the purpose,
4. compare the advantages and disadvantages of spirit, stencil and litho duplication, and
5. describe the uses of microfiche and facsimile.
Describe the necessary conditions for Deadlock. Required conditions for deadlock 1. Mutual exclusion 2. Hold and wait 3. No preemption 4. Circular wait Mutual e
Q. Illustrate what is a crest? Answer:- In electromagnetic waves or else ocean waves for that matter a crest is the peak or maximum height of the waveforms. A channel is t
What are Digital Signatures and its uses? A digital signature is an electronic quite than a written signature which can be used through someone to authenticate the identity of
We download data which arrives to me in a column. I need to use it in a complex sheet that requires data in a row. How can we convert the column data into row data? Ans) H
Q. How codes represent data for scientific calculations? How codes are in fact used to represent data for scientific calculations? The computer is a discrete digital device
How are devices represented in UNIX? All devices are shown by files called special files that are located in /dev directory. Therefore, device files and other files are named a
compare 2g , 3g , and 4g also with advantage of 3g and 4g.
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
Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
BIOS or Basic Input/Output System is the first program accessed by the processor during start up to make sure that all the other basic programs, hard drives, ports, peripherals and
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