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:2011
QUESTION ONE – (30 MARKS)
(a) Define the following terms as used in computers. (4 Marks) (i) Virus (ii) Operating system (iii)Port (iv) Peripherals (b) State two key features of the 2nd and 3rd generations of computers. (4 Marks) (c) State two examples of Operating system. (2 Marks) (d) State classification of computers according to functionality. (3 Marks) (e) Briefly explain the working of following monitors. (4 Marks) (i) E.I.D (ii) G.P.D (f) Explain two factors to consider when buying a computer. (2 Marks) (g) Amazon Company Ltd intends to computerize its operations but has not yet decided whether to purchase off the shelf software or tender for tailor made software. As a computer expert you have been approached by Amazon Company Ltd for advice. Explain two reasons that would justify the adoption of off the shelf software as opposed to tailor made software. (2 Marks) (h) 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)
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(ii) Highlight two precautions that Ann Wekesa should take when storing her optical disks. (2 Marks) (i) With the aid of a diagram explain the hard disk architecture. (6 Marks)
QUESTION TWO – (15 MARKS)
(a) State two application areas of super computer. (4 Marks) (b) Define the following terms as used in computers. (3 Marks) (i) Pixel in relation to monitors (ii) Resolution in relation to monitors (iii)Formatting a diskette. (c) State and explain three functional elements of a CPU. (6 Marks) (d) Explain two characteristics of secondary storage. (2 Marks)
QUESTION THREE – (15 MARKS)
(a) State three characteristics of RAM. (3 Marks) (b) State two examples of second generation computers. (4 Marks) (c) Many people confuse between brands of computers and types of computers, list any three brands of computers. (3 Marks) (d) Differentiate between a buffer and a register. (2 Marks) (e) Explain the functions of the following parts found in a floppy disk. (3 Marks) (i) Write protect tab (ii) Index hole (iii)Spindle hole
QUESTION FOUR – (15 MARKS)
(a) List two keyboard keys that work like ON/OFF switches. (2 Marks) (b) Explain the functions of the following short cut keys. (4 Marks) (i) CTRL + A (ii) CTRL + ALT + DEL (c) 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 labour. Explain three disadvantages of fully automated manufacturing plant. (3 Marks) (d) Briefly explain the following terms as used in Keyboard keys. (6 Marks) (i) Toggle keys (ii) Sticky keys (iii)Filter keys
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