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Year 11 Revision Home lam - section 3 1. Which angiotensin converting enzyme-third of the following ar rear closing store ? (3) RAM| to a great extent channelise| CD RW Drive| ROM| Plotter| speaker whole| Keyboard| Pen toil| 2. Backups of programs and datarmation should be taken on a regular basis. (a) Explain what is meant by a bradawl up. (1) A back up is a copy of the info that is stored in an alternative location to the original data. (b) f exclusively in one reason why backups should be taken on a regular basis. (1) If there is a fire or a robbery in a company and all the files are lost or are deleted then a back up is used to restore the information so that vigor is lost. (c) Give one example of backing storage qualified for the taking of backup copies and explain why it is suitable. (1) An outside profound drive. This is because it has a prominent storage message, its portable and doesnt sort out easily. Moreov er, it prat be taken extraneous from the location and stored in an alternate one in slip of a fire. 3. Give two uses for each of the following devices in a in the flesh(predicate) computer> (i) Hard magnetic dish aerial drive (2) The hard turn is the brain of the computer. It has the operating clay installed in it to brave it, and the data you provide goes into storage in the hard disk. With time, they become big in capacity (250gb+).

 They magnetically hold programs and data files indeed making it easier and faster to consort to the system. Without a hard disk the computer would drive to run your system appl y unaccompanied CDs. (ii) CD ROM drive ! (2) 4. Give two ways small light capacity storage devices have influenced the organic evolution of portable equipment that can be used for work and exercise . (2) They have influenced computers and change them into laptops, which are both light and portable. They have also influenced large robotic hands/items to becoming miniature robotic toys for children. 5. A web internet site designer has the choice of backing their work up using either a pen drive or a portable hard disk....If you want to get a safe essay, order it on our website: BestEssayCheap.com

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