8085 Microprocessor Set 1
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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 1
Q1 | Which is the microprocessor comprises:
- register section
- one or more alu
- control unit
- all of these
Q2 | What is the store by register?
- data
- operands
- memory
- none of these
Q3 | Accumulator based microprocessor example are:
- intel 8085
- motorola 6809
- a and b
- none of these
Q4 | A set of register which contain are:
- data
- memory addresses
- result
- all of these
Q5 | There are primarily two types of register:
- general purpose register
- dedicated register
- a and b
- none of these
Q6 | Name of typical dedicated register is:
- pc
- ir
- sp
- all of these
Q7 | Which is used to store critical pieces of data during subroutines and interrupts:
- stack
- queue
- accumulator
- data register
Q8 | The data in the stack is called:
- pushing data
- pushed
- pulling
- none of these
Q9 | The external system bus architecture is created using from ______ architecture:
- pascal
- dennis ritchie
- charles babbage
- von neumann
Q10 | The processor 80386/80486 and the Pentium processor uses _____ bits address bus:
- 16
- 32
- 36
- 64
Q11 | Which is not the control bus signal:
- read
- write
- reset
- none of these
Q12 | PROM stands for:
- programmable read-only memory
- programmable read write memory
- programmer read and write memory
- none of these
Q13 | EPROM stands for:
- erasable programmable read-only memory
- ectrically programmable read write memory
- electrically programmable read-only memory
- none of these
Q14 | Each memory location has:
- address
- contents
- both a and b
- none of these
Q15 | Which is the type of microcomputer memory:
- processor memory
- primary memory
- secondary memory
- all of these
Q16 | Secondary memory can store____:
- program store code
- compiler
- operating system
- all of these
Q17 | Secondary memory is also called____:
- auxiliary
- backup store
- both a and b
- none of these
Q18 | The RAM which is created using bipolar transistors is called:
- dynamic ram
- static ram
- permanent ram
- ddr ram
Q19 | Which type of RAM needs regular referred:
- dynamic ram
- static ram
- permanent ram
- sd ram
Q20 | Which RAM is created using MOS transistors:
- dynamic ram
- static ram
- permanent ram
- sd ram
Q21 | The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
- read
- write
- both a and b
- none of these
Q22 | The CPU removes the ___ signal to complete the memory write operation:
- read
- write
- both a and b
- none of these
Q23 | BIU STAND FOR:
- bus interface unit
- bess interface unit
- a and b
- none of these
Q24 | EU STAND FOR:
- execution unit
- execute unit
- exchange unit
- none of these
Q25 | Eight of the register are known as:
- general- purpose register
- pointer or index registers
- segment registers
- other register