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PUNJAB TECHNICAL UNIVERSITY MCA - II (SEM 4) SEP 2010 : System Software

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Roll No. ...................... Total No. of Questions : 13] [Total No. of Pages : 02 Paper ID [A0518] (Please fill this Paper ID in OMR Sheet) MCA (403) (S05) (O) (LE) (Sem. - 4th) SYSTEM SOFTWARE Time : 03 Hours Maximum Marks : 75 Instruction to Candidates: 1) Section - A is Compulsory. 2) Attempt any Nine questions from Section - B. Section - A Q1) (15 2 = 30) a) What is system software? b) Differentiate between phase and pass. c) What is assembly language? d) What is base register? e) What do you mean by text editor? f) What is Linker? g) What do you mean by loader? h) What is a macro? i) Discuss briefly how macro calls within macros are handled. j) What do you mean by global optimization? k) List functions of operating system. l) What is the difference between scheduler and dispatcher? m) Why is it necessary to relocate a program in memory? n) o) A-536 What do you mean by fragmentation? What do you mean by race condition? P.T.O. Section - B Q2) (9 5 = 45) What do you mean by assembler? Discuss the designing of second pass of assembler. Q3) Discuss various types of text editors and also discuss the editor performance issues. Q4) Explain the tasks performed by macro processor. Q5) Explain in detail functions of loader. Q6) What is interpreter? Discuss pure and impure interpreter. Q7) Explain phases of a compiler. Q8) Draw block diagram of the phases of a compiler and indicate the main functions of each phase. Q9) Discuss the code generation in detail and also discuss different loop optimization techniques. Q10) Discuss paging? Q11) What do you mean by structure of file system? What are features of file system? Q12) What is race condition? Discuss. Q13) What is process management? Explain all types of scheduler. kbkb A-536 2

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Additional Info : Mca - II (sem 4) September 2010 Question Paper - System Software
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