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Cisy 201:Computer Organization And Architecture Question Paper

Cisy 201:Computer Organization And Architecture

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2015

KENYA METHODIST UNIVERSITY

END OF 1''st ''TRIMESTER 2015 (PT) EXAMINATION
FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE
UNIT CODE : BBIT 112/CISY 201
UNIT TITLE : COMPUTER ORGANIZATION AND ARCHITECTURE
TIME : 2 HOURS

INSTRUCTIONS:

Answer question One and two others

Question One

Using an illustration, describe the structure of CPU and explain the function of its components.

(8 marks)

Describe the structure of input and output module.

(4 marks)

State four features of bus interconnection structure.

(4 marks)

Briefly describe bus arbitration and explain two types of arbitration schemes.

(5 marks)

Provide a convincing justification for implementation of cache and virtual memory.

(6 marks)

Mention three benefits of RAID systems.

(3 marks)

Question Two

Explain interleaving and bust access mode as memory performance enhancements technique.

(6 marks)

Describe how hard disk is internally structured in terms of cylinder, heads, trucks, and sectors and explain five factors affecting its performance.

(10 marks)

Distinguish between SCSI and IDE Hard disk interface.

(4 marks)

Question Three

Explain the function of input and output system under the following:
Control and timing
CPU communication
Device communication
Data buffering

Error detection

(10 marks)

Using an illustration, describe the non-Neumann structure and mention six Non-Neumann specifications.

(10 marks)

Question Four

The information stored in an n level memory hierarchy, mi to mn, should satisfy the three important properties of inclusion, coherence and locality. Explain the three properties.

(6 marks)

Describe the cache replacement policies and state the suitability of each of the algorithms.

(6 marks)

The most universally acceptable method of classifying processes is Flynn taxonomy. Discuss four categories based on classification.

(8 marks)

Cisy 201:Computer Organization And Architecture Question Paper

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