Tamil Nadu Open University (TNOU) 2008-1st Sem M.C.A -- Question Paper

M.C.A./P.G.D.C.A. DEGREE/DIPLOMA exam – JUNE 2008

First Year/First Semester

COMPUTER FUNDAMENTALS

Time : three hours Maximum marks : 75

ans for five marks ques. should not exceed two pages.
ans for 10/15 marks ques. should not exceed five pages.

PART A — (5 X five = 25 marks)

ans any 5 ques..


1.Convert (525)10 into its equivalent Binary, Octal and Hexadecimal.[ five Marks ]


2.Write down all the laws of Boolean Algebra. [ five Marks ]


3.Explain the working principles of J-K flip-flop with its circuit. [ five Marks ]


4.Distinguish among different kinds of random access memories. [ five Marks ]


5.Discuss the basic organization of ALU. [ five Marks ]


6.Discuss the different addressing modes of 8086 microprocessor. [ five Marks ]


7.Write short notes on Parallel Processing. [ five Marks ]



PART B — (5 X 10 = 50 marks)



ans any 5 ques..


8.Discuss the Karnaugh map method for simplifying Boolean functions. [ 10 Marks ]


9.Explain the working principles of a Half Adder and a Half Subtractor. [ 10 Marks ]


10.Explain the general structure of I/O Module in detail. [ 10 Marks ]


11.Explain different instruction formats in detail. [ 10 Marks ]


12.With a neat diagram discuss the micro programmed control unit. [ 10 Marks ]


13.With a neat diagram explain the architecture of 68000 Microprocessor.[ 10 Marks ]


14.Compare any 3 common Risc architectures. [ 10 Marks ]

Earning:   Approval pending.