Pandit Ravishankar Shukla University 2011 B.Sc Computer Science PtRavishankar Shukla University - Question Paper

B.Sc. (Part III) EXAMINATION, 2011
COMPUTER SCIENCE
Paper First
(Computer Hardware- Part C)
Time : 3 Hours] [Maximum Marks :50
Note : Attempt all ques.. All ques. carry equal marks.
UNIT-I
1. (a) explain in detail about the bussed architecture for microcomputer.
(b) What do you mean by Non-CPU devices? discuss.
Or
(a) discuss the register organisation of P-8088.
(b) explain CYRIX and AMD CPUs.

UNIT-II
2. (a) Draw a Block diagram of PC and explain its different parts.
Or
discuss the subsequent :
(a) The parallel port for printer.
(b) Video control through ANSI-SYS.

UNIT-III
3. (a) Differentiate ranging from different services given by the ROM-BIOS.
(b) discuss the file structure of DOS.
Or
define the parts of different DOS function to handle hardware and softwares.

UNIT-IV
4. (a) discuss file organisation on a disk in DOS.
Or
explain in detail about the memory management and its functions under DOS.

UNIT-V
5. Write short notes on any 2 of the subsequent :
(a) Clock and Break Interrupt.
(b) Interrupt Vector Table in PC.
(c) Redirection of I/O under DOS.
(d) Networking features.

Earning:   Approval pending.