1.
The advantages of integrated circuits over a
discrete device circuit due to their following characteristics:
(A) Smaller
size
(B) Lower
cost
(C) Higher
reliability
(D) All of
the above
Answer: D
2. The
cyclic codes are used when it is required for :
(A) Data
transfer
(B)
Arithmetic and logical computation
(C)
Continuously varying signal representation
(D) Counting
the number of bits
Answer: C
3. A
microprocessor with 12 address lines is capable of addressing up to :
(A) 4096
Locations
(B) 1024
Locations
(C) 64K Locations
(D) 2048
Locations
Answer: A
4. When
the RESET is performed in Intel 8085 microprocessor, the first operation is :
(A) Stock
initialization
(B) Instruction
fetch from the location 2000H
(C)
Instruction fetch from the location 0000H
(D) Memory
read from location 0000H
Answer: C
5. The
overflow flag is set in 8086 microprocessor when ..............
(A) The sum
is more than 16 bits
(B) Carry
and sign flags are set
(C) Signed
number go out of their range after arithmetic operation
(D) None of
the above
Answer: C
6. One
of the following is data security threat :
(A) updation
or deletion of data
(B) fraudulent
manipulation of data
(C) hardware
failure
(D) privacy
invasion
Answer: B, D
7. Consider
the situation that the transaction 'P' holds shared key lock X. Also, other
transaction 'Q' requests for shared key lock X, then :
(A) request
will be immediately granted
(B) the
deadlock situation is created
(C) request
will be rejected after some time
(D) request
will be granted at it is released by P.
Answer: A
8. In
an oracle, which trigger type would be fired during instance start-up :
(A) database
event
(B) user
event
(C) file
event
(D) record
event
Answer: A
9. The
component of the oracle that contains the memory structure and background
process :
(A) database
(B) database
file
(C) instance
(D) log file
Answer: C
10. The
redo log files are used for :
(A) shut
down
(B) instance
recovery
(C) archiving
(D) instance
start up
Answer: B
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