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Subject: Computer Science. Time Allowed: 2:30 Hours University of Sargodha BS 3° Term Examination 2017. Paper: Computer Organiszation & Assembly Language (CS-3210) (New Scheme)

Subject: Computer Science. Time Allowed: 2:30 Hours University of Sargodha BS 3° Term Examination 2017. Paper: Computer Organiszation & Assembly Language (CS-3210) (New Scheme) — page 1

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Paper text

Subject: Computer Science.

Time Allowed: 2:30 Hours

University of Sargodha

BS 3° Term Examination 2017.

Paper: Computer Organiszation & Assembly Language (CS-3210)

(New Scheme)

ustadni.coi

Maximum Marks: 80

Note: Objective part is compulsory. Attempt any Three questions from subjective part.

Objective Part

(Compulsory)

Q.1.

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

(2*16)

1. What is Assembler?

2. What is Assembly Language?

3. Define the term Most Significant Bit (MSB)?

4. Define BIOS?

5. Define Control Unit?

6. What does it mean by Integer Constants?

7. Define Instructions?

8. How Reserved Words can be defined?

9. Define Operands and it's types?

10. Define MOV instruction?

11. What is Macro?

12. What is Multitasking?

13. What are unsigned integers?

14. Define JMP instruction?

15. Define SHIFT instruction?

16 Implement the following expression if assembly language: AX (val2 BX) val4.

Subjective Part = (16 x

3)

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8. 2. Explain Instruction Execution Cycle, in detail?

Q. 3. Explain all steps involve in Assembling, Linking and Running programs?

9. 4. Explain Boolean Functions, with Truth Tables?

9. 5. Explain ADD & SUB instructions, with examples?

9. 6. Write a program that uses addition and subtraction to set and clear the ZERO

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