Jawaharlal Nehru Technological University Hyderabad 2010-1st Sem M.C.A -ester Supplementary s COMPUTER ORGANIZATION - Question Paper

Code No: 12
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA-I Semester Supplementary exams July 2010
COMPUTER ORGANIZATION
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal Marks
- - -
1.a) explain the different schemes for representing floating point numbers.
b) Simplify the subsequent Boolean function in sum of products form by means of a
four variable map. Draw the logic diagram with AND-OR gates.
F(A, B, C, D) = S(0,2,8,9,10,11,14,15).
2. discuss the concept of cache memory with a neat diagram and the 3 kinds of
memory mapping techniques used to implement cache memory.
3.a) discuss the different addressing modes of an instruction every with an example.
b) A computer has 32-bit instructions and 12-bit addresses. If there are 250 twoaddress
instructions, how many one-address instructions can be formulated.
4.a) discuss the Data transfer instructions.
b) What is Interrupt? discuss the various kinds of interrupts that reason a break in
the normal execution of a program.
5. Draw the block diagram of a DMA transfer and discuss the significance of every
of the element.
6.a) Draw the flow chart for CPU program to input data.
b) Write an Assembly language program to obtain the factorial of a provided number.
7.a) Draw and discuss the memory connection to CPU.
b) discuss about the code segment registers.
8.a) Draw and discuss the 4-bit bidirectional shift register with parallel load.
b) discuss about the Daisy-Chain Priority Interrupt.
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R09

Earning:   Approval pending.