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Form 1 Computer Studies Questions and Answers: Computer Systems Set 2
How many 1.44MB diskettes would be used to store data that require storage space of 4.7 GB.
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1.
Define the following terms as used with monitor technology in computing. a)Polychromatic screen: b)Resolution: c)Refresh rate: d)Video graphic adaptor:
2.
Give two differences between a DVD and VCD.
3.
Give differences between a CD-R and CD-RW.
4.
How many 1.44MB diskettes would be used to store data that require storage space of 4.7 GB.
5.
Compare a hard disk and a floppy disk in terms of storage capacity, cost, accessibility to data and data security.
6.
Distinguish between a centronic and an RS-232 port.
7.
List three precautions to take when handling a diskette.
8.
USB ports are becoming quite common with modern devices. Give two reasons for this.
9.
What do these symbols represent in a computer system?
10.
State the role of the following utility software in a computer system. a)Merge b)Compressor c)Antivirus
11.
Which software would you use for the following? (a)Production of report for a company: b)Management of a records in a firm: c)Production of calendars and brochures: (d)Manipulation of numeric data collected from a research station.
12.
Distinguish between a system software and an application software. Give an example in each case.
13.
Give three items that should come along with an authentic software.
14.
Differentiate between portability with reference to hardware and software.
15.
Name any three hardware details that should be considered before installing any software.
16.
Distinguish between general purpose software and in-house developed software.
17.
List three factors that determines the cost of a computer.
18.
State two advantages of general purpose software.
19.
Why is it necessary to consider user needs when purchasing new software?
20.
State the function of cache memory..
21.
Differentiate between volatile and non-volatile memory.
22.
Differentiate between POST and BIOS as used in computing.
23.
Explain three types of computer buses.
24.
Explain three examples of registers.
25.
Differentiate between USB and SCSI ports.
26.
State two precautions that should be observed when installing a new piece of hardware into a computer system.
27.
State two factors to be considered when buying a RAM module.
28.
Differentiate between open source and proprietary software.
29.
State four factors that should be considered when buying an input device.
30.
Mention two characteristics of Random Access Memory..
31.
List two differences between buffer and a register.
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