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Question 1:
(a) What do you meant by an expert system?
(b) Describe benefits of the EDI.
(c) Describe what you understand by: (i) File Infectors (ii) Boot Sector Viruses (iii) Macro Viruses
(d) Mention steps in reducing infection risks for your PC.
(e) Mention two problems spam create for a computer user.
(f) Show the different phases of the Information System Life Cycle.
Question 2:
(a) Differentiate between system software and application software.
(b) List types of RAM
(c) List types of ROM
(d) Describe the difference between Cache Memory and Virtual Memory.
(e) Describe how data is organised on a magnetic disk and a magnetic tape.
(f) Differentiate between Ink Line printers and Jet printers.
(g) What are pointing devices? List and describe two pointing devices
What are the role of an operating system? Sharing the Processor Virtual Machine: Resource management: Memory Management
Now consider the following spreadsheet: Formula in cell D2 is = (B2/C2) Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cell
Explain about Computer architecture Computer architecture is the conceptual design and fundamental operational structure of a computer system. It is a blueprint and functional
What are the types of Smart cards used in e-commerce? Generally there are 2 types of smart cards. Memory smart cards, which can be sighted as minuscule removable read/ write
Convert the given S-R flipflop to a D-flip flop. Ans: The Truth Table for S-R Flip-Flop is illustrated in Fig.(a) and truth table of D Flip-Flop is illustrated in Fig.(b)
Q. Example of Input a Single Digit? Input a Single Digit for example (0,1, 2, 3, 4, 5, 6, 7, 8, 9) CODE SEGMENT ... ; Read a single digit in BL register with ech
What is guard bits? Guard bits are extra bits which are produced while the intermediate steps to yield maximum accuracy in the final results.
what is jsf
Interrupt vector table is always created in first 1K area of the memory. Explain why? When CPU receives an interrupt type number from PIC, it uses this number to look up corres
Q. Show the Decimal equivalent of a binary number? In binary numbers we have two digits 0 and 1 in addition they can also be signified as a string of these two-digits known as
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