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Question 1:
Spreadsheet packages are widely used in Business.
a) Explain why spreadsheets are so useful.b) Spreadsheet files are sometimes saved for use by other software packages. Give an example of such use.c) Goalseek is an important feature of MS Excel. State its function. d) Explain what is a macro and why is it important?
Question 2:
a) Suggest two kinds of printer which would be suitable for printing a colour copy of a school magazine.
b) Compare the disadvantages and advantages of the two types of printer you have selected.
Q. What are the basic types of Transmission technologies, basis on which computer networks will be categorized? Ans: Broadly there are two kinds of transmission technology:
Define Programmed I/O. It is the result of input and output instructions written in the computer program. Every data item transfer is initiated by an instruction in the program
In multiprocessing several processors require to communicate with one another. So synchronisation is needed between them. The correctness and performance of parallel execution reli
Windows Authentication This provider utilizes the authentication capabilities of IIS. After IIS completes its authentication, ASP.NET uses the authenticated identity's token to
Q. Explain about 4-bit adder-subtractor circuit? Subtraction operation on binary numbers can be obtained by succession of addition operations only it implies that to achieve su
Device drivers are special programs installed by config.sys file to control installable devices. So personal computers can be expanded at some future time by installation of new d
Using the memory map below; design an absolute decoding circuit. The technique is to spot the differences between the start and stop of each device. The Ram chip has the follow
Ring This is a easy linear array where the end nodes are connected. It is equivalent to a engage with wrap around connections. The data transmit in a ring is normally one dire
(i) Input a single ASCII character into BL register without echo on screen CODE SEGMENT MOV AH, 08H; Function 08H INT 21H ; the character inpu
Explain the differences between Internal and external fragmentation. Internal and external fragmentation (1) While memory allocated to a process is a little larger than th
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