JNTU II B.Tech I Semester Supplimentary Examinations, November 2008
( Common to Computer Science & Engineering, Information Technology
and Computer Science & Systems Engineering)SET-3
1. (a) Describe Von Neumann and Harward architectures.
(b) What is meant by graininess of computations. In which applications SIMD and MIMD architectures are useful. Give practical examples.
2. (a) Design a circuit transferring data from a 4bit register which uses D flip-flops to another register which employs RS flip-flops.
(b) What are register transfer logic languages. Explain few RTL statement for branching with their actual functioning.
3. (a) What is a pipeline register. What is the use of it?. Explain in detail.
(b) Why do we need some bits of current microinstruction to generate address of
the next microinstruction. Support with a live example.
4. (a) How many bits are needed to store the result addition, subtraction, multiplication and division of two n-bit unsigned numbers. Prove.
(b) What is overflow and underflow. What is the reason?If the computer is considered as infinite system do we still have these problems?.
5. (a) A computer uses RAM chips of 1024 x 1 capacity.
i. How many chips are needed and how should their address lines be connected to provide a memory capacity of 1024 bytes.
ii. How many chips are needed to provide a memory capacity of 16K bytes
(b) An address space is specified by 24 bits and the corresponding memory space by 16 bits
i. How many words are there in the address space
ii. How many words are there in the memory space
6. Explain the following:
(a) Asynchronous Serial Transfer
(b) Asynchronous Communication Interface
7. (a) What is pipelining? Explain.
(b) Explain four segment pipelining.
8. (a) Explain the working of 8 x 8 Omega Switching network.
(b) Explain the functioning of Binary Tree network with 2 x 2 Switches. Show a neat sketch