Time: 3hours Max.Marks:60
Answer any Five questions
All questions carry equal Marks
1.a) Discuss the various schemes for representing floating point numbers.
b) Simplify the following 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. Explain the concept of cache memory with a neat diagram and the three types of memory mapping techniques used to implement cache memory.
3.a) Explain the various addressing modes of an instruction each 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) Explain the Data transfer instructions.
b) What is Interrupt? Explain the different types of interrupts that cause a break in the normal execution of a program.
5. Draw the block diagram of a DMA transfer and explain the significance of each of the element.
6.a) Draw the flow chart for CPU program to input data.
b) Write an Assembly language program to find the factorial of a given number.
7.a) Draw and explain the memory connection to CPU.
b) Explain about the code segment registers.
8.a) Draw and explain the 4-bit bidirectional shift register with parallel load.
b) Explain about the Daisy-Chain Priority Interrupt.
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R09
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