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Computer studies year 7 exercise (medium)
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Computer studies year 7 exercise (medium)

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  • 1. Name: ________________________________________ Class: ________________ Date: __________ Question 1 Write your answer in the box provided. 1. The amount of data that can be stored on a disk depends in part on_____. A. the thickness of the magnetic coating B. the number of tracks on the disk C. the rotational speed of the disk D. none of the above 2. To care for data on disks you should do all of the following except ____. A. avoid exposing disks to high heat B. avoid exposing disks to dust and smoke C. avoid bending the disks D. keep the disks near magnets to keep the magnetic charge strong 3. A gigabyte is equal to _____. A. a thousand kilobytes B. 1024 megabytes C. 1024 x 1024 megabytes D. a million megabytes 4. Tape storage is primarily used for _____. A. backups B. installing new programs C. rarely used software D. none of the above 5. Formatting a disk _____. A. erases all data on the disk B. makes a backup copy of the data on the disk C. moves the data around on the disk to save space 1 | P a g e
  • 2. Name: ________________________________________ Class: ________________ Date: __________ D. all of the above [ 5 Marks ] 2 | P a g e
  • 3. Name: ________________________________________ Class: ________________ Date: __________ Question 2 Malcolm’s Garden Designs is a small company specializing in garden design and landscaping, Malcolm works on his own, not only working on gardens but also carrying out administrative tasks using a computer. The computer Malcolm uses is a few years old. Fig.1 below shows what the computer system includes: • CD-ROM drive • Monitor • RAM • Floppy disk drive • Mouse • ROM • Hard Disk Drive • Printer • Scanner • Keyboard • Processor • Speakers (a) Which three items from the list in Fig.1 are input devices? Input device 1………………………………………………………………………… Input device 2………………………………………………………………………… Input device 3………………………………………………………………………[3] (b) Which three items from the list in Fig.1 are output devices? Output device 1……………………………………………………………………… Output device 2……………………………………………………………………… Output device 3……………………………………………………………………[3] (c) Malcolm finds that the computer often runs very slowly, especially when dealing with large files and graphics. Give one item from the list in Fig.1 that could be upgraded to make a significant improvement to this problem. ………………………………………………………………………………………..[1] 3 | P a g e
  • 4. Name: ________________________________________ Class: ________________ Date: __________ Question 3 Answer the questions below in short answer. 1. List three things that you know about a hard disk? ……………………………………………………………………………………..……… …………………………………………………………………………………………….. ……………………………………………………………………………………………. 2. Outline two advantages and two disadvantage of using a hard disk to back up your data? ……………………………………………………………………………………….…….. ……………………………………………………………………………………………… 3. Compare and contrast a hard disk with RAM? ……………………………………………………………………………………………… ……………………………………………………………………………………………… 4. Explain how a hard disk works? ……………………………………………………………………………………………… ……………………………………………………………………………………………… 5. Define the term ‘hard disk’? ……………………………………………………………………………………………… ……………………………………………………………………………………………… 4 | P a g e
  • 5. Name: ________________________________________ Class: ________________ Date: __________ [ 10 Marks ] 5 | P a g e
  • 6. Name: ________________________________________ Class: ________________ Date: __________ [ 10 Marks ] 5 | P a g e

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