2. Bachelor of Science in Computer Science ...
  3. 8085 Microprocessor
  4. Set 1

8085 Microprocessor Solved MCQs

Take a Test
1.

Which is the microprocessor comprises:

A. register section
B. one or more alu
C. control unit
D. all of these
Answer» D. all of these
discuss
2.

What is the store by register?

A. data
B. operands
C. memory
D. none of these
Answer» A. data
discuss
3.

Accumulator based microprocessor example are:

A. intel 8085
B. motorola 6809
C. a and b
D. none of these
Answer» C. a and b
discuss
4.

A set of register which contain are:

A. data
B. memory addresses
C. result
D. all of these
Answer» D. all of these
discuss
5.

There are primarily two types of register:

A. general purpose register
B. dedicated register
C. a and b
D. none of these
Answer» C. a and b
discuss
6.

Name of typical dedicated register is:

A. pc
B. ir
C. sp
D. all of these
Answer» D. all of these
discuss
7.

Which is used to store critical pieces of data during subroutines and interrupts:

A. stack
B. queue
C. accumulator
D. data register
Answer» A. stack
discuss
8.

The data in the stack is called:

A. pushing data
B. pushed
C. pulling
D. none of these
Answer» A. pushing data
discuss
9.

The external system bus architecture is created using from ______ architecture:

A. pascal
B. dennis ritchie
C. charles babbage
D. von neumann
Answer» D. von neumann
discuss
10.

The processor 80386/80486 and the Pentium processor uses _____ bits address bus:

A. 16
B. 32
C. 36
D. 64
Answer» B. 32
discuss
11.

Which is not the control bus signal:

A. read
B. write
C. reset
D. none of these
Answer» C. reset
discuss
12.

EPROM stands for:

A. erasable programmable read-only memory
B. ectrically programmable read write memory
C. electrically programmable read-only memory
D. none of these
Answer» A. erasable programmable read-only memory
discuss
13.

Each memory location has:

A. address
B. contents
C. both a and b
D. none of these
Answer» C. both a and b
discuss
14.

Which is the type of microcomputer memory:

A. processor memory
B. primary memory
C. secondary memory
D. all of these
Answer» D. all of these
discuss
15.

Secondary memory can store____:

A. program store code
B. compiler
C. operating system
D. all of these
Answer» D. all of these
discuss
16.

Secondary memory is also called____:

A. auxiliary
B. backup store
C. both a and b
D. none of these
Answer» C. both a and b
discuss
17.

The RAM which is created using bipolar transistors is called:

A. dynamic ram
B. static ram
C. permanent ram
D. ddr ram
Answer» B. static ram
discuss
18.

Which type of RAM needs regular referred:

A. dynamic ram
B. static ram
C. permanent ram
D. sd ram
Answer» A. dynamic ram
discuss
19.

Which RAM is created using MOS transistors:

A. dynamic ram
B. static ram
C. permanent ram
D. sd ram
Answer» A. dynamic ram
discuss
20.

The CPU sends out a ____ signal to indicate that valid data is available on the data bus:

A. read
B. write
C. both a and b
D. none of these
Answer» B. write
discuss
21.

The CPU removes the ___ signal to complete the memory write operation:

A. read
B. write
C. both a and b
D. none of these
Answer» A. read
discuss
22.

BIU STAND FOR:

A. bus interface unit
B. bess interface unit
C. a and b
D. none of these
Answer» A. bus interface unit
discuss
23.

EU STAND FOR:

A. execution unit
B. execute unit
C. exchange unit
D. none of these
Answer» A. execution unit
discuss
24.

Eight of the register are known as:

A. general- purpose register
B. pointer or index registers
C. segment registers
D. other register
Answer» A. general- purpose register
discuss
25.

IP Stand for:

A. instruction pointer
B. instruction purpose
C. instruction paints
D. none of these
Answer» A. instruction pointer
discuss
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