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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.
A computer manipulates data consistent with instructions of a stored program. Stored program means that the data and program are stored in same memory unit. Central processing unit
define conceptual schema
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
A model for parallel programming is an abstraction in addition its machine architecture is independent. A model is able to be implemented on different hardware and memory architect
What are universal gates. Construct a logic circuit using NAND gates only for the expression x = A . (B + C). Ans. Universal Gates: NAND and NOR Gates both are t
what are data structures
Consider a network message transfer among a source S and a destination D by 3 routers R1, R2 and R3 as given below:- S -------- R1 --------- R2 --------- R3 ---
How will you fine-tune a class? It is useful to fine-tune classes before writing code in order to examine development or to improve performance. The purpose of execution is to
Realized mean that the component has been painted on screen or that is prepared to be painted. Realization can take place by invoking any of these methods. setVisible(true), show()
Explain about Flip-Flops Flip-Flops are also called bistable multivibrator. A flip-flop is capable of storing 1 bit of binary data. It has two stable states- 'one' and 'zero
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