In assembly language program, one byte instruction will have ____ number of operands.
1
0
2
3
Q.2.
______ is needed to convert a high level language to machine language
compiler
assembler
browser
editor
Q.3.
Pin numberinmicroprocessor is
S0
S1
A15
RESET
Q.4.
The cycle required to fetch and execute an instruction in amicroprocessor is which one of the following?
Clock cycle
Memory cycle
Machine cycle
Instruction cycle
Q.5.
Processor status word ofmicroprocessor has five flags. They are
S, Z, AC, P, CY
S, OV, AC, P, CY
S, Z, OV, P, CY
S, Z, AC, P, OV
Q.6.
In an intelmicroprocessor, why is READY signal used?
To indicate to user that the microprocessor is working and is ready for use.
To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
None of the above.
Q.7.
Consider the following statements:Inmicroprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct?
(I) only
(II) only
(II) & (III)
(I), (II), (III)
Q.8.
Consider the followingI) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flagWhich one of the above flags is/are present inmicroprocessor?
(I) only
(I) & (II)
(II) & (III)
(I) ,(III) & (IV)
Q.9.
IO/M(active low) =0,S1=1,S0=1 resembles.
memory read
opcode fetch
memory write
I/O read
Q.10.
Pin numberinmicroprocessor is
IO/M(active low)
RESET IN(active low)
READY
CLK
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