Bharathidasan University 2009 M.Sc Information Technology Barathidasan University IT Personal Computing - Question Paper

Barathidasan University
M.SC IT Personal Computing
December 2009

1.(a) discuss the functions of components of a computer.
(10)
(b) Write notes on the subsequent terms :
SSI, MSI and LSI. (10)
2. (a) List and briefly discuss the flags of Intel 8085 Processor. (10)
(b) Write about peripheral (or) externally initiated operations in 8085. (10)
3. (a) List the 4 categories of 8085 instructions that manipulate data. (10)
(b) Write short notes on :
(i) Register addressing mode.
(ii) Immediate addressing mode. (10)
4. (a) Write an assembly language program to perform subtraction of 2 unsigned numbers. discuss with example.
(10)
(b) Draw flow chart and write assembly program to multiply 2 numbers. (10)
5. (a) What is RAM? List the differences ranging from static RAM and dynamic RAM. (10)
(b) Write short notes on secondary storage devices. (10)
6. (a) Distinguish ranging from isolated I/O and memory – mapped I/O. (10)
(b) What is DMA? discuss in detail DMA transfer. (10)
7. (a) explain the important features of pentinum
4 microprocessors. (10)
(b) define briefly the core features of BIOS. (10)
8. (a) What is meant by dedicated Data backup hardware? discuss. (10)
(b) explain about the preventive maintenance using power protection systems. (10)

Earning:   Approval pending.