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University of Sargodha M. Sc. I. T, 3"Term Exam 2014. Subject: Information Technology Paper: Computer Organization & Assembly Language (IT:693) Time Allowed: 2:30 Hour Session: 2012-14 Maximum Marks: 80

University of Sargodha M. Sc. I. T, 3"Term Exam 2014. Subject: Information Technology Paper: Computer Organization & Assembly Language (IT:693) Time Allowed: 2:30 Hour Session: 2012-14 Maximum Marks: 80 — page 1

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Paper text

University of Sargodha

M. Sc. I. T, 3"Term Exam 2014.

Subject: Information Technology Paper: Computer Organization & Assembly Language (IT:693)

Time Allowed: 2:30 Hour

Session: 2012-14

Maximum Marks: 80

usto

Note:

Objective part is compulsory. Attempt any four questions from subjective part.

Objective Part

Q.1.

Write short answers of the following in 2-3 lines each on your answer sheet.

i.

ii.

ili.

IV.

V.

vi.

vii.

vili.

ix.

X.

xi.

XIl.

Xili.

XIV.

XV.

xvi.

What is a Program Counter?

What are the four main components of any general-purpose computer?

State Moore's law.

Write possible all steps in branch instruction execution.

What is Execution unit?

Define system Bus. Also write types of busses

What is PCI slot?

What is Extra Segment register and write its operations.

Define real time application

What is interrupt driven I/O?

What is instruction set?

What is nibble?

Differentiate between Assembler and Debugger.

Differentiate between High levellanguage and Assembly language

What are Procedures in assembly language?

Write a short program in assembly representing concept of nested loops.

(2*16)

Q.2.

Q.3.

Q.4.

Q.5.

Q.6.

Q.7.

Subjective Part

(12 x

4)

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What a note on Data movement, processor arithmetic unit and logical unit?

Write a note on Addressing Modes. Give modes of addressing with suitable example.

Write a program in Assembly language which display odd numbers from 1 to 10 on output screen.

What is I/O module? How does I/O Module communicate with processor and O device!

What are the advantages and disadvantages of using a variable-length instruction format!

Write a note on registration organization of any processor.

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