Computer System Architecture Set 15

Questions 141 to 150


141.
Identify the term, which indicate a set of Logical Addresses.
(a)
Memory space
(b)
Disk space
(c)
Address space
(d)
Location
(e)
Page Frame.
142.
DMA stands for:
(a)
Direct Memory Address
(b)
Direct Main Address
(c)
Direct Memory Access
(d)
Direct Main Access
(e)
Device Memory Access.
143.
Consider DR ← M [AR], Identify the operation.
(a)
Arithmetic Operation
(b)
Shift Operation
(c)
Memory Write
(d)
Memory Read
(e)
Memory Cycle.
144.
What is the (r-1)’s complement of 345 in octal number system?
(a)
342
(b)
234
(c)
243
(d)
423
(e)
432.
145.
Which of the following terms describe that the information which will be used in near future is likely to be in use already?
(a)
Spatial Locality
(b)
Locality
(c)
Hit ratio
(d)
Temporal Locality
(e)
Effective access time.
146.
What is the table that lists the required inputs for a given change of state?
(a)
Characteristic table
(b)
Truth table
(c)
Null table
(d)
Excitation table
(e)
Binary table.
147.
Microphone is a\an
(a)
Output device
(b)
Storage device
(c)
Input device
(d)
Processing device
(e)
Printing device.
148.
What is the operation sets to 1 the bits in one register where there are corresponding 1’s in the second register?
(a)
Selective Complement
(b)
Selective Clear
(c)
Selective Set
(d)
Mask
(e)
Insert.
149.
Which one of the following can be called as a peripheral?
(a)
Control unit
(b)
Speakers
(c)
Arithmetic Unit
(d)
Logic unit
(e)
Main Memory.
150.
What is demonstrated in the given figure?
(a)
MICR
(b)
Bar Code Reader
(c)
Joy Stick
(d)
Track Ball
(e)
Wand Reader.

Answers


141.
C
Address spaces  Indicate a set of Logical Addresses.
142.
C
DMA stands for Direct Memory Access
143.
D
DR ← M [AR] is Memory Read
144.
E
(r-1)’s complement of 345 in octal number system is 432
145.
D
Temporal Locality describe that the information which will be used in near future is likely to be in use already.
146.
D
Excitation table is the table that lists the required inputs for a given change of state
147.
C
Microphone is a Input device
148.
C
Selective Set is the operation sets to 1 the bits in one register where there are corresponding 1’s in the second register
149.
B
Speakers can be called as a peripheral.
150.
b
Bar code reader.

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