KNEC Craft Certificate in ICT module 2 Computer Maintenance and Support past paper: November 2015 Answers

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Course Name:  Information and Communication Technology
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Course Level:  Craft Certificate
Sub Level:       Module II
Course Unit:   Computer Maintenance and Support
Exam body:    KNEC
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Explain the role of each of the following in computer maintenance (a)Uninterruptable power supply (UPS). (b)Cotton swabs ()

List two examples of computer motherboard form factors, other than BTX. ()

State three characteristics of a form factor named BTX ()

State two differences between mini tower and full tower computer cases ()

Explain two reasons that may cause a computer not to display the actual capacity of a secondary storage medium ()

Convert each of the following storage units into the stated equivalent: (a)12536 bits to bytes (b)1048576 bytes to megabytes. ()

Distinguish between ROM and RAM as used in Computers ()

Susan, a computer technician has noted that one computer that runs windows operating system is abnormally slow. Outline four tools in windows operating system that she could use to troubleshoot the computer ()

State two differences between SATA and IDE hard disk as used in computers. ()

10.

Outline four advantages of using computer mouse as an input device ()

11.

State two reasons that may cause the power supply unit to fail in a computer system ()

12.

A computer maintenance technician has been advised to acquire each of the following items. Explain the possible use of each items. (i)Microfiber lint free cloth (ii)USB keyboard vacuum cleaner (iii)Portable hard drive. ()

13.

With the aid of an example in each case, differentiate between active and passive preventive maintenance as used in computers. ()

14.

Outline the main function of each of the following mouse buttons: (i)Left button (ii)Right button (iii)Scroll wheel. ()

15.

When Lynne acquired a software, she was also provided with a documentation booklet. Explain three possible uses of this document ()

16.

Outline four ways of controlling heat inside the system unit of a computer ()

17.

Ann a computer technician is intending to assemble a computer system unit. (i)List four tools that she will be required in order to realize his objective (ii)Outline three precautions he should observe when handling the components during the assembling of the computer ()

18.

Allan bought a computer which had no operating system installed. He was required to install MS office suite, device driver, antivirus, Linux OS and Disk tools. (i)Explain each of the following software in Allan’s computer I.Device driver; II.Disk utilities. (ii)Outline four configurations that Allan may perform when installing the operating system. (iii)State the order in which the software ()

19.

When Jane powered her computer, it attempted to boot from the DVD drive. She was advised to change the boot order at the BIOS. (i)Write the acronym BIOS in full (ii)Explain the function of the BIOS in a computer (iii)State three other boot options that jane may be required to choose from. ()

20.

When Moses was Moving out of his residential home in town, he found that he had a lot of electronic waste which had to dispose off. (i)Outline three examples of this waste. (ii)Explain two ways in which it can reduce electronic waste in future ()

21.

A computer Technician noted that computer in a laboratory does not turn on, beep nor display anything on the screen but all fans and drives were working. Outline five troubleshooting that would be carried out to establish the problem in RAM. ()

22.

A technician noted that one computer was overheating and shutting down unexpectedly. He confirmed that the problem was its processor. (i) Outline two causes of the problem ii)Explain one way in which (i) could be solved. ()

23.

Lexis software company has opted to dedicate one of its web pages in its website for the software they have just developed. (i)State three benefits that this approach will have over the manual booklet. (ii)Other than the internet, state two other storage media which could be used to deliver content to the users. ()

24.

An office environment that has many computers and peripherals devices should be kept orderly and all the equipment maintained regularly. (i)Explain the meaning of the word peripheral devices (ii)State two categories of peripheral devices which could be available in the office and in each case give out an example. ()

25.

Describe the following components of the central processing unit; (i)Arithmetic logic unit (ALU); (ii)Control unit; iii)Registers. ()