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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.
Explain various units of a digital computer with the help of a diagram.
Answer: The computer system is divided into three separate
units for its operation. They are
1)
Arithmetic logical unit
2)
Control unit.
3)
Central processing unit.
Arithmetic
Logical Unit (ALU) Logical Unit
Logical
Unit : After you enter data through the input
device it is stored in the primary storage unit. The actual processing of
th
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
Q3. Explain the simple instruction format with
diagram and examples 6+4
Answer.
Each instruction is represented
by a sequence of bits. The
Q4.
Explain memory interleaving with the help of a diagram.
Answer:
Memory interleaving
Memory interleaving divides the system into a number
of modules and arranges them so that successive words in the address space are
placed in different modules. If memory access requests are made for consecutive
addresses, then the access will be made for different modules.
Q5.
Explain interrupt and interrupt driven I/O.
Answer:Interrupt Driven I/O:Using Program-controlled I/O
requires continuous involvement of theprocessor 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 amodule and then go on other work. The I/O
module will then interrupt theCPU requesting service when it is ready to exchange
data with the
Q6.
Explain DMA controller with the help of diagram.
Answer:
DMA
Controller
DMA has
been a built-in feature of PC architecture since the introduction of the
original IBM PC. PC-based DMA was used for floppy disk I/O in the original PC
and for hard disk I/O in later versions. PC-based DMA technology, along with
high-speed bus technology, is driven by data storage, communications and
graphics needs – all of which require the highest rates of data transfer
between
Get fully solved assignment. Buy online from website
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