UNIT 3
HAZARDS
1. Any situation that causes a processor to freeze is called as _____.
a) Hazard
b) System error
c) Page fault
d) None
Answer:a

2. The period of time at what time the unit is at rest is called as _____.
a) Bubbles
b) Stalls
c) Hazards
d) Both a and b

Answer:d

3. The disagreement for the procedure of a hardware device is called as ______.
a) Structural hazard
b) Data hazard
c) Control hazard
d) None

Answer:a

4. The situation somewhere in the data of operands are not accessible is called ______.
a) Data hazard
b) Structural hazard
c) Control hazard
d) None

Answer:a

5. The stalling of the processor appropriate to the unavailability of the instructions is called as ____.
a) Control hazard
b) Data hazard
c) Input hazard
d) …show more content…
The program used to discovery out faults is called
a) Debugger
b) Linker
c) Compiler
d) Scanner
Ans: a

14. The two adjustments providing by the debugger is
a) Trace points
b) Break points
c) Exceptions
d) Both a and b

Answer:d

15. In recommendation mode of operation,
a) The program is interrupted after each detection
b) There is no Exception c) The program will not be stopped
d) None
Answer:a

16. In Breakpoint technique of operation,
a) The program is interrupted
b) The program will not be stopped c) There is no effect on the program
d) The program is alted only at specific points

Answer:d

17. The changed modes of operation of a computer is
a) User mode
b) User and Supervisor mode
c) Sleep Mode
d) System mode

Answer:b

18. The instructions that can be run only administrator mode are
a) System instructions
b) Exception instructions
c) Privileged instructions
d) None

Answer:c

19. A privilege exception is upraised,
a) When a process attempts to conversion the mode of the …show more content…
Memory
b. Hardware c external
d. software ans : d
ANSWER: b
30. Pipelining approach is called implement
a. instruction encoding
b. instruction prefetch
c. instruction decoding
d. instruction execution
Ans: b
31.Pipeline implement the__________
a. fetch instruction and execute instruction
b. fetch operand
c. decode instruction
d. all the above
Ans : d
32.Interrupts that are introduced by an instruction are
a. opcodes
b. external
c. hardware
d. pipelines ans : b
33.A collection of 8 bits is called
a. bits
b. word
c. Bytes
Ans: c
34.The ascending instruction or a data Order is
a. bit - bytes - fields - record - file - database
b. bit - bytes - record - field - file - database
c. bytes - bit- file - record - field - database
d. None
Ans : a
35.A computer program that translates an entire program into machine language at one time is called
a. simulator
b. interpreter
c. compiler
d. Loader
Ans :