Top 150+ Solved Microprocessors and Microcontrollers MCQ Questions Answer
Q. The functions of Pins from 24 to 31 depend on the mode in which is operating
a. 8085
b. 8086
c. 80835
d. 80845
Q. The RD, WR, M/IO is the heart of control for a mode
a. minimum
b. maximum
c. compatibility mode
d. control mode
Q. In max mode, control bus signal So,S1 and S2 are sent out in form
a. decoded
b. encoded
c. shared
d. unshared
Q. The bus controller device decodes the signals to produce the control bus signal
a. internal
b. data
c. external
d. address
Q. A Instruction at the end of interrupt service program takes the execution back to theinterrupted program
a. forward
b. return
c. data
d. line
Q. The main concerns of the are to define a flexible set of commands
a. memory interface
b. peripheral interface
c. both (A) and (B)
d. control interface
Q. Primary function of memory interfacing is that the should be able to read fromand write into register
a. multiprocessor
b. microprocessor
c. dual Processor
d. coprocessor
Q. To perform any operations, the Mp should identify the
a. register
b. memory
c. interface
d. system
Q. The Microprocessor places 16 bit address on the add lines from that address byregister should be selected
a. address
b. one
c. two
d. three
Q. The of the memory chip will identify and select the register for the EPROM
a. internal decoder
b. external decoder
c. address decoder
d. data decoder
Q. Microprocessor provides signal like to indicate the read operatio
a. LOW
b. MCMW
c. MCMR
d. MCMWR
Q. To interface memory with the microprocessor, connect register the lines of the address busmust be added to address lines of the chip.
a. single
b. memory
c. multiple
d. triple