CS5: Assignment On Computer Hardware

Answer All Questions

1. The table below shows specifications of two computers X and Y.

(a) Which of the two computers would you recommend for a company to buy?                               (01 mark)

(b) State two reasons to defend your answer in(a)  (02 marks)

(c) Which is the least important of the computer specifications given in the table?    (01 mark)

(d) State one reason defending your answer in (c)   (01 marks)

2.(a) Give one use for each of the following computer devices.

(i) Power supply unit.                                                                              (01 mark)

(ii) System case.                                                                                      (01 mark)

(iii) CMOS battery.                                                                                 (01 mark)

(b) A student had a file on her laptop and wanted to transfer it to a computer in a laboratory. Give two devices that she can use to transfer the file. (02 marks)

3.(a) Give three factors a company should consider before buying any storage devices. (03 marks)

(b) Teo’s network access speed is six megabytes per second. How many kilobytes does Teo’s network receive or send per second?                   (02 marks)

4.Study the devices and answer questions that follow.

(a) Name the devices labeled.                                                                    (03 marks)

(b) Give one major similarity between devices A and E.                           (01 mark)

(c) Identify one device which can be categorized as an output device.     (01 mark)

5.(a) State one difference between a Compact Disc(CD) and Digital Versatile Disc(DVD).                                                                                               (01 marks)

(b) Explain the circumstances under which the following storage devices are used

(i) Memory card.                                                                                        (02 marks)

(ii) Flash disk.                                                                                            (02 marks)

6. (a) List any three input devices.                                                      (03 marks)

b) Give a function of any two input devices listed in (a) above (02 marks)