311 University of Sargodha BS 4* Term Examination 2014. Subject: Computer Science Paper: Computer Organization & Assembly Language (CMP-223) Time Allowed: 2:30 Hours Session: 2012-16
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Paper text
311
University of Sargodha
BS 4* Term Examination 2014.
Subject: Computer Science Paper: Computer Organization & Assembly Language (CMP-223)
Time Allowed: 2:30 Hours
Session: 2012-16
Maximum Marks: 80
Note:
Objective part is compulsory. Attempt any four questions from subjective parto f
ustadi
Q.1.
Objective Part
Attempt all questions each question carry equal marks?
What is a stored program concept?
What are the four main components of any general-purpose computer?
Explain Moore's law.
List possible states of an instruction execution.
What is control unit?
Define system Bus. Also write types of busses
What is PCI slot?
What is stack and write its operations.
Define real time application
) What are peripheral control interrupts
What is instruction set?
What are flags?
Differentiate between Assembler and Debugger.
14 Differentiate between machine language and assembly language
13 What are functions in assembly language?
16 Write a short program in assembly representing concept of nested loops.
(2 x 16 =
32)
Q.5.
Q.6.
Q
Subjective Part
(12 x 4=48)
What are interrupts? Discuss role of interrupts in detail with example.
Write a note on Addressing Modes. Give atleast five modes of addressing of your own choice with
suitable example.
Write a program in Assembly language which display even numbers from 1 to 10 on output
screen.
What is Direct Memory access? When a DMA module takes control of a bus, and while it retains
control of the bus, what does the processor do?
What are the advantages and disadvantages ofusing a variable-length instruction format?
Write a note on registration organization of any processor of your own choice.
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