നയകക

(CUCBCSs—UG)
Computer Science

BCS 5B 08—-COMPUTER ORGANIZATION AND ARCHITECTURE
(2014 Admissions)

Time : Three Hours ட Maximum : 80 Marks

10.

11.
12.

Part-A

Answer all questions.
Each question carries 1 mark.

Name the group of bits that instruct the computer to perform a specific operation.
Name the hardware implementation of a branch and save return address operation.

The control function that specifies a microoperation is a binary variable. State whether :
True or False,

Name the address selection part of a microprogrammed control unit.

What is the concept that enables the CPU to process a number of independent programs
concurrently ? :

What are the two possible operating modes of integrated circuit RAM chips ?

Name the subsystem of a computer which provides an efficient mode of communication between
the central system and outside environment.

Name the cheapest and slowest method of data storage.
Name the machine instructions where instructions are processed in a sequential manner.

Name the computing technology where the jobs are broken into discrete parts which can be executed
concurrently.

(10 x 1 = 10 marks)
Part B

Answer all questions.
Each question carries 2 marks.

Differentiate direct and indirect address instruction.

Define Control word.