Ics2212:Operating Systems 1 Question Paper
Ics2212:Operating Systems 1
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2012
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a) Illustrate and explain the workings of the following devices: i. Processor registers (2 marks) ii. The organization of a CPU (2 marks) b) Give the difference between the following: i. Memory Vs storage (2 marks) ii. ROM Vs RAM (2 marks) iii. Bits Vs Bytes (2 marks)
c) Explain the usage and classification of the following types of printers: i) Laser. (2 marks) ii) Dot matrix (2 marks) iii) Inkjet (2 marks) iv) Daisy Wheel (2 marks) v) Plotters (2 marks)
d) Define a computer buss and describe the different types of computer buses. (5 marks)
e) Identify and explain the various eras in the history of computing. (5 marks)
QUESTION TWO (20 MARKS)
a) Define the following terms: i. Data (2 marks) ii. Computer (2 marks)
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iii. Software (2 marks) iv. Source code (2 marks) v. Information (2 marks)
b) Identify and explain the various classes of computers. (5 marks)
c) With the use of a diagram discuss the components within the CPU. (5 marks)
QUESTION THREE (20 MARKS)
a) Briefly explain the bootstrap process during the loading of an operating system.(4 marks)
b) Explain THREE types of systems files that are necessary in order that Windows/DOS operating systems can run. (4 marks)
c) State THREE possible basic functions that an operating system might provide for handling I/O devices. (4 marks)
d) Name TWO categories of computer viruses and describe their payload. (4 marks)
e) What is fragmentation and what does de-fragmenting a drive do? (4 marks)
QUESTION FOUR (20 MARKS)
a) Explain the term machine cycle and, state and explain the actions that take place during the machine cycle. (5 marks)
b) Distinguish between op-code and operand. (5 marks)
c) Computers or processors are described in terms of word-length, speed and the capacity of their associated primary storage. Define these properties. (5 marks)
d) Explain the meaning of the following terms as used in the computer systems:
i. EBCDIC (1 mark) ii. LCD (1 mark) iii. TCP/IP (1 mark) iv. UNIVAC (1 mark) v. ASCII (1 mark)
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