(a) Give three comparisons of the traditional file management method of typing a document on a typewriter against using a word processor ( 6mks)
Word Processor
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(a) Identify three public Universities and three National polytechnics in Kenya where further computer training is offered, In case state the highest level of qualification that can be acquired in computer training.
(a) (i) What is a computer keyboard? (1mk)
Input device with keys for keying in data in the form of characters
List four types of keys found on a computer keyboard. Give an example of each. (4mks)
(a) List five precautions that can be taken to protect data stored in diskettes (5mks)
The following flowchart can be used to list the odd numbers between 0 and 100  (a) Write a program segment for the flowchart using a high level language (7mks)State two disadvantages of networking
 Explain the following input/ output terms as used in computer systems. Give an example for each30/12/2020 Explain the following input/ output terms as used in computer systems. Give an example for each (4mks)(a) Read- get data from memory e.g. opening a file
(b) Write – put data into memory e.g. saving Write –1 in twos compliment notation in byte form (4mks)110 = 12 in byte form it becomes 000000012 One’s complement is 111111102 Two’s complement is 11111112 State and explain two reasons why word processing is one of the most common applications of many computer users.
 List three differences between a microcomputer and a super computer (3mks)Microcomputers
Supercomputers
 supercomputer Give one disadvantages of a single processor multi- user system (1mk)
 List three disadvantages of using traditional file management method (3mks)
 State two ways in which a computer may be used in efficient running of a hospital (2mks)
 ICU The Formula = k20 + p $18 was typed in cell L21 and then copied to cell M24 of a spreadsheet. Write the formula as it appears in cell M24 (2mks)
State any three activities that occur in a program compilation process (3mks)
Suppose an element array A contains the values 9, 12, 17, 7 and 20. Find the value in A after executing the loop below:
Repeat for k= 1 to 4
Set A {k + 1} = A {k} {End of loop} First time A {2}: = 9 Second time A {3}: = 9 Third Time A {4}:= 9 Fourth time A {5}: = 9 
State two types of documentation in program development and give the purpose of each (4mks)
An example of user oriented documentation
State three data representation codes used in computersASCIIAmerican Standard Coded for information interchange BCDBinary coded Decimal EBCDICExtended Binary Coded Decimal interchange Code 
Explain how each of the following would affect the suitability of a room for use as a computer room. (2mks)(a) Burglar proofed doorenhances the security system as it prevents Unauthorized users from entering (b) Availability of taps and sinks in the roomCould be detrimental since water can cause damage to computer equipment 
The computer laboratory
Related SearchesDescribe the purpose of each of the following computer functional units(a) ControlEssentially governs all the computer activities and monitors the execution of programs. (b) StorageTo holds internally before and after processing. Divided into two i.e. primary and secondary Primary holds data and information being handled by the CPU. Secondary stores data and information in a more permanent form 
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