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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:2010

1

a. Describe the following terms: (4 Marks) i. System clock speed ii. Data signals iii. Bandwidth iv. Ports b. Describe four major functions of a computer bus. (8 Marks) c. Differentiate between: i. RAM and ROM (2 Marks) ii. A system BUS and I/O buses. (2 Marks) d. With aid of a diagram, describe three key components found inside in a processor (CPU) (6 Marks) e. The increasing popularity of computers has proved that it is a very powerful and useful tool. The power and usefulness of this popular tool are mainly due to its characteristics. Identify four characteristics. (8 Marks)
QUESTION TWO – 20 MARKS
a. Describe any two types of processors architecture, stating three major differences. (6 Marks) b. The ROM contains the PC basic input/output system. Discuss three basic functions of BIOS. (6 Marks) c. Describe the distinguishing characteristics of the following memory types and further, explain with justification their possible areas of application within typical computer systems, memory types, EPROM, DRAM. (8 Marks) d. Define a fault giving one technique for diagnosing it in a computer. (2 Marks)
2
QUESTION THREE – 20 MARKS
a. Discuss the functions of the operating system. (10 Marks) b. The performance of hard disk can be measured in various ways. Discuss four performance measure of hard disk. (8 Marks) c. What do you understand by the term multitasking. (2 Marks)
QUESTION FOUR – 20 MARKS
a. Explain three examples of input devices and three examples of output devices. (6 Marks) b. An operating system may offer a variety of batch and on-line facilities. Differentiate between batch and online processing. (4 Marks) c. Describe the steps involved in loading operating system. (10 Marks)
QUESTION FIVE – 20 MARKS
a. Write short notes on the following: (10 Marks) i. Cache memory ii. Volatile iii. Booting iv. Instruction cycle v. Versatility b. Clearly describe the concept of memory hierarchy and describe how that architecture can lead to enhancement of overall computer system performance. (10 Marks)

Ics2212:Operating Systems 1 Question Paper

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