½ M. Sc coa important quuestions faculty: Dr. S. Jhansi Rani answer the following in brief



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½ M.SC - COA IMPORTANT QUUESTIONS

Faculty: Dr. S.Jhansi Rani

1. ANSWER THE FOLLOWING IN BRIEF

  1. What are Segment Registers?

  2. What is a Micro Program? How is it different from a program?

  3. Draw the Instruction Word format and indicate the number of bits in each.

  4. How many 128 * 8 memory chips are needed to provide a memory capacity of 4096 * 16?

  5. What is the use of I/O Processor?

  6. What is Cache Memory?

  7. What is a Uni Processor System?

2. Essay Questions

Unit-1

1. Design a 4 bit Combinational circuit decrementer using four full adder circuits?

2. Draw a Bus system Diagram with three state Buffers and a decoder.

3. Explain about floating point representation with example?

4. What is Decoder? Explain 3-to-8-line decoder with diagram?

5. Explain the Half Adder and Full Adder?

6. Explain the various types of Flip flops.

7.Simplify the following Boolean function using k map and draw the circuit using logic gates F(A,B,C,D) = _(0,1,2,3,7,8,10) + d(5,6,11,15)



Unit-2

1. Explain the Instruction Execution cycle with State Diagram?

2. With a neat diagram explain the design of Accumulator Logic.

3. With a neat diagram explain the Design of Basic Computer.

4. What are the different types of computer instructions?

5. Explain the addressing modes of computer with example.



Unit – 3

1. Explain the difference between Hardwired control and Micro programmed Control? Is it possible to have a hardwired control associated with a control memory?

2. Explain the Design of Control Unit?

3. Explain the memory hierarchy in a computer system with block diagram?

4. Explain with example Associative memory?

Unit-4

1. What are the different Modes of Transfer? Explain Direct Memory Access

2. Explain RISC

3. Write the Instruction Formats in computer

4. Explain the General Register Organization.

Unit – 5

1. What is Priority interrupts? Explain in detail.

2. Explain Asynchronous data transfer.

3. Explain modes of Data Transfer.

4. Explain the following briefly



a. DMA

b. IOP


c. Serial Communication
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