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1
|
Interface unit provide interface
between ________ and peripheral device.
|
||
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(a) Processor bus
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(b) CPU
|
|
|
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(c) Printer
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(d) Monitor
|
|
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2
|
I/O Bus consist of
|
||
|
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(a) Data
Line
|
(b) Address
Line
|
|
|
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(c) Control
Line
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(d) All
|
|
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3
|
There are _________ types of command there
interface may received
|
||
|
|
(a) 2
|
(b) 3
|
|
|
|
(c) 4
|
(c) 5
|
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4
|
Data transfer to and from peripherals.
|
||
|
|
(a) Direct Memory Access
|
(b) Programmed
I/O
|
|
|
|
(c) Interrupt
initiated I/O
|
(d) All of above
|
|
|
5
|
DMA stand for
|
||
|
|
(a) Dynamic Memory Address
|
(b) Dynamic Memory Access
|
|
|
|
(c) Direct Memory Access
|
(d) Direct Memory Address
|
|
|
6
|
During the DMA transfer
|
||
|
|
a) Ideal
|
b)
Busy
|
|
|
|
c)
Waiting
|
d)
None
|
|
|
7
|
BR stands for
|
||
|
|
(a) Bud Rate
|
(b)
Bus Request
|
|
|
|
(c) Bit Rate
|
(d) Bus Rate
|
|
|
8
|
BG stand for
|
||
|
|
(a)
Bus Grant
|
(b) Bit Given
|
|
|
|
(c) Bit Grant
|
(d) None
|
|
|
9
|
DMA control bus ______ register
|
||
|
|
(a) 2
|
(b) 3
|
|
|
|
(c) 4
|
(d) 5
|
|
|
10
|
Which of the following is DMA Register
|
||
|
|
(a) Address Register
|
(b) Word Count Register
|
|
|
|
(c) Control Register
|
(d) All
of above
|
|
|
11
|
DMA is useful for _________ the display in
interactive display.
|
||
|
|
(a) Adding
|
(b) Updating
|
|
|
|
(c) Deleting
|
(d) None
|
|
|
12
|
In IOP computer is divide into _________
module
|
||
|
|
(a) 2
|
(b) 3
|
|
|
|
(c) 4
|
(d) 5
|
|
|
13
|
IOP can fetch and execute if own instruction that is not
possible in ______
|
||
|
|
(a) DMA
controller
|
(b) I/O Device
|
|
|
|
(c) CPU
|
(d) None
|
|
|
14
|
In most of computer CPU is _________ and
IOP is _____________
|
||
|
|
(a) Master,
Slave
|
(b) Slave, master
|
|
|
|
(c) Primary, Secondary
|
(d) Secondary, Primary
|
|
|
|
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Computer Organization and Architecture MCQ -6
