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PROGRAM-
BSc IT
SEMESTER-
SECOND
SUBJECT
CODE & NAME- BT0068, Computer Organization and Architecture
CREDIT-
4
BK
ID- B0952
MAX.
MARKS- 60
Q1. Define microoperation
and explain its types.
Answer: Microoperation: Digital
modules are best defined by the registers they contain and the operations that
are performed on the data stored in them. The operations executed on data
stored in registers are called microoperations.
Arithmetic Microoperations A
microoperation is an elementary operation performed with the data stored in
registers. The microoperations most often encountered in digital
computers are classified into four
Q2.
What do you mean by bus in computer system? Explain the bus structure. 4+6
Answer: A collection of wires
through which data is transmitted from one part of a computer to another. You
can think of a bus as a highway on which data travels within a computer. When
used in reference to personal computers, the term bus usually refers to internal
bus. This is a bus that connects all the internal computer components to the
CPU and main memory. There's also an expansion bus that enables expansion
boards to access the CPU and
Q3. Explain the simple instruction format with
diagram and examples 6+4
Answer.
Each instruction is represented
by a sequence of bits. The instruction is divided into fields, corresponding to
the constituent elements of the instruction. This layout of the instruction is
called Instruction Format.
Q4.
Explain infinite-precision and finite-precision ten's complement.
Answer:
Infinite-Precision Ten's Complement: Imagine the odometer of an
automobile. It has a certain number of wheels, each with the ten digits
on it. When one wheel goes from 9 to 0, the wheel immediately to the
left of it advances by one position. If that wheel already showed
9, it too goes to 0 and advances the wheel to its left, etc. Now
suppose we have an odometer with an infinite number of wheels. We are
going to use this infinite odometer to
Q5.
Explain the mapping functions between the main memory and CPU. 10
Answer.
Mapping functions
The correspondence between the
main memory and CPU are specified by a mapping function. There are three
standard mapping functions namely
Q6.
Explain interrupt and interrupt driven I/O.
Answer:
Interrupt Driven I/O: Using Program-controlled I/O
requires continuous involvement of the processor in the I/O activities.
It is desirable to avoid wasting processor execution time. An alternative is
for the CPU to issue an I/O command to a module and then go on other
work. The I/O module will then interrupt the CPU requesting service when
it is ready to exchange data with the CPU. The CPU will then execute the
data transfer and then resumes its former processing. Based on the use
of interrupts, this techniques improves the utilization of the
Get fully solved assignment. Buy online from website
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or
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we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 700/semester only.
if urgent then call us
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