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Dit0101:Introduction To Computers Question Paper

Dit0101:Introduction To Computers

Course:Diploma In Agriculture

Institution: Meru University Of Science And Technology question papers

Exam Year:2010

QUESTION ONE (30 MARKS)
(a) List an input device that could be termed as: (i) Document reader (ii) Pointing device (2 Marks) (b) List the keyboard keys that work like ON/OFF switches. (3 Marks) (c) Define the following terms (i) Pixel in relation to monitors (ii) Resolution in relation to monitors (iii) Formatting a diskette (3 Marks) (d) Explain three functional elements of a CPU. (3 Marks) (e) Differentiate between hardcopy and softcopy output devices. (2 Marks) (f) Explain three preventive measures for viruses. (3 Marks) (g) Ann Wekesa architecture has many housing designs for sale to home makers and estate developers; she has been advised to store the designs in Optical disks rather than maintain printed copies in file. (i) Give one example of optical disks (1 Mark) (ii) Highlight two precautions that Ann Wekesa should take when storing her optical disks. (2 Marks) (h) A recent breakthrough in the manufacturing industry is the development of a full manufacturing plant that can produce vehicle using robots only. Despite these advances, some manufacturers prefer to use human labor. Explain three advantages and two disadvantages of fully automated manufacturing plant. (5 Marks)
(i) Kenya air force intends to launch an airspace exploration project in order to strengthen their military airbase. State the type of computer that would be most appropriate for this mission. Justify your answer. (2 Marks) (j) State two key features of the third and fourth generations of computers. (4 Marks)
QUESTION TWO (15 MARKS)
(a) State one application areas of embedded computers in modern homes. (1 Mark) (b) Differentiate between the two types of printers and give an example in each case. (4 Marks) (c) State three functions of Operating system. (3 Marks) (d) A copy typist was working on her computer, the mouse failed before she could complete her assignment. State the keyboard keys she would use to perform the following tasks. (i) Move the cursor to the end of the line. (ii) Place data from a clipboard to a document (iii) Terminate an application that is not responding. (3 Marks) (e) Amazon Company Ltd intends to computerize its operations but has not yet decided whether to purchase off the shelf software or t expert; you have been approached by Amazon Company Ltd for advice. Explain two reasons that would justify the adoption of tailor made software as opposed to the off the shelf software. (4 Marks)
QUESTION THREE (15 MARKS)
(a) State three disadvantages of using voice input devices. (3 Marks) (b) State three examples of utility programs in a computer. (3 Marks) (c) Describe any two application areas of computer (2 Marks) (d) Explain three legal methods of acquiring a computer for use. (3 Marks) (e) A newspaper advert contains the following specifications for a computer system. Explain the specifications to a non computer use. Pentium IV H/D 60 GB Full multi-media Enhanced VGA (4 Marks)
QUESTION TWO (15 MARKS)
(a) Write the following acronym in full (i) T.F.T (ii) G.P.D (iii) L.C.D (3 Marks) (b) State three characteristics of RAM. (3 Marks) (c) State three examples of Operating system. (4 Marks)
(d) State the contribution of the following personnel in computers. (i) Blaise Pascal (ii) Charles Baggage (2 Marks) (e) Zawadi Company Ltd has computerized its operations in order to gain competitive advantage over its rivals. Explain three negative impact that introduction of this system may have on the company. (3 Marks)

Dit0101:Introduction To Computers Question Paper

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