PTU B.Tech Question Papers 2020 December (All Branches)
SYSTEM PROGRAMMING
Subject Code : BTCS-405
M.Code : 56608
Time : 3 Hrs. Max. Marks : 60
Roll No. Total No. of Pages : 02
Total No. of Questions : 18
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B.Tech. (CSE / IT) (2012 to 2017) (Sem.-4)SYSTEM PROGRAMMING
Subject Code : BTCS-405
M.Code : 56608
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Answer briefly :
- Give the difference between BALR and USING.
- What are the three main data structures used by our macro processor?
- What do you mean by Static Linking?
- Which amongst the one pass and two pass assembler is better and why?
- What is Bootstrap loader? Explain its characteristics with examples.
- What are the differences between Passes and Phases of compiler?
- How do we differentiate between open subroutine and closed subroutines?
- What does an assembler perform when it encounters LTORG assembler directive?
- What is interpreter?
- What do you mean by ambiguity of grammar?
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SECTION-B
- Compare linking loader and linkage editor.
- Explain in detail the lexical analysis phase of a compiler.
- What is LEX used for? What is the difference between LEX and YACC?
- What is debugging. Explain different approaches adopted by programmers for debugging?
- Write short notes on :
- Overlays
- Scanning and parsing
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SECTION-C
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- Explain the two-pass assembler in detail with block diagram.
- State and explain the algorithm for one pass macro processor.
- What do you mean by text Editor? What are its features and discuss any two text editors in detail?
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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