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PUNJAB TECHNICAL UNIVERSITY MCA - I (SEM 1) MAY 2008 : Introduction To Information Technology

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Roll No. ........................... Total No. of Questions : 13] [Total No. of Pages : 02 Paper ID [A0501] (Please fill this Paper ID in OMR Sheet) MCA (101) (S05) (Old) (Sem. - 1st) INTRODUCTION TO INFORMATION TECHNOLOGY 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) Classify the different types of softwares. b) Define a computer and discuss its chief characteristics and capabilities? c) Does windows based operating support multithreading and multitasking? d) Different between Del and Undelete command? e) What do you mean by fourth generation languages? f) What are complement schemes? g) Define real time operating system? h) What is a main frame? How is it different from a PC? Discuss. i) What is the different between an analog and a digital computer. j) Define TELNET? k) What are weighted codes? l) What is WWW? m) List all network topologies. n) Differentiate between memory and storage. o) Which topology is more reliable and why? D - 165 P.T.O. Section - B (9 5 = 45) Q2) Explain the working principle of input device and one output device? Q3) What is Primary memory? How it is different from secondary memory? Q4) What are the functions of an operating system? Explain. Q5) Draw and explain the structural layout of e-mail window. Q6) What are advantages and disadvantages of machine language? Explain. Q7) Discuss and explain Bus, Star and Mesh topology in detail. Q8) Name any five network components and explain functions of each of them. Q9) Explain various types of Computers? Q10) Compare the main frame computer with a PC in terms of its size, cost, speed and memory. Q11) How a chat session can be established? Explain with example? Q12) Differentiate between ASCII, EBCDIC, BCD, Excess-3, Grey Code with example. Q13) Define operating system. Differentiate between multiprogramming, timesharing and multiprocessing O.S., with examples. ZZZ D - 165 2

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