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Printer output : Consider what is required here. Do you just require management information on the one hand or camera copy for reprographic purposes? Inkjet Very quiet. Cheaper than laser printer. Quality can be very good, and colour printing is a real option with inkjets. They are slower than laser printers, but their technology is changing rapidly.
Laser Have graphics capability. Printouts give camera copy. Can be expensive to maintain. Best choice for quality work. Speed varies from 4 pages per minute to 20 pages per minute. Some print double sided. Resolution of printers is measured in d.p.i. (dots per inch) with 600 d.p.i. being relatively high resolution. A good laser printer may be capable of 600 + d.p.i.
Diskless workstations: Most people assume that the operating system is stored on a disk that is connected directly to the computer, but this is not necessarily true. If the
what is random access file
Fundamentals of IT 1. How do you insert a symbol in a Word document? 2. Explain absolute cell addressing? 3. Discuss Custom List? 4. Explain applications of Multimedia
APPLICATION PACKAGES : There are two options. You can either write your own program or buy an applications package, i.e. a proprietary program, 'off-the-shelf. The former option i
Importance of Good Database Design Poor database design may have results in unwanted data redundancy Poor database design keeps errors leading to bad decisions and results Practica
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QUESTION Consider a University system which has several sub systems: Student Registration Module Registration Time Tabling Library System Human Resource Manag
QUESTION a) Cryptography is a set of techniques and mathematical algorithms. Describe four important areas where cryptography must be applied b) What is the importance of us
3. Let f, g: R?R, where g(x) 1 - x + x2 and f (x)=ax + b. If (g ? f )(x)= 9x2 - 9x + 3, determine a, b.
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