Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Microprocessor reference that are not available in the cache are called_________:

A. cache hits
B. cache line
C. cache misses
D. cache memory
Answer» D. cache memory
Discussion
2.

________ is usually the first level of memory access by the microprocessor:

A. cache memory
B. data memory
C. main memory
D. all of these
Answer» B. data memory
Discussion
3.

Which are the factor of cache memory:

A. architecture of the microprocessor
B. properties of the programs being executed
C. size organization of the cache
D. all of these
Answer» E.
Discussion
4.

The offset of a particular segment varies from _________:

A. 000h to fffh
B. 0000h to ffffh
C. 00h to ffh
D. 00000h to fffffh
Answer» C. 00h to ffh
Discussion
5.

NMI stand for:

A. non mask able interrupt
B. non mistake interrupt
C. both
D. none of these
Answer» B. non mistake interrupt
Discussion
6.

SI stand for:

A. stand index
B. source index
C. segment index
D. simple index
Answer» C. segment index
Discussion
7.

DI stand for:

A. destination index
B. defect index
C. definition index
D. delete index
Answer» B. defect index
Discussion
8.

EA stand for:

A. effective address
B. electrical address
C. effect address
D. none of these
Answer» B. electrical address
Discussion
9.

The pin configuration of 8086 is available in the________:

A. 40 pin
B. 50 pin
C. 30 pin
D. 20 pin
Answer» B. 50 pin
Discussion
10.

The _______ address of a memory is a 20 bit address for the 8086 microprocessor:

A. physical
B. logical
C. both
D. none of these
Answer» B. logical
Discussion
11.

How many type of addressing in memory:

A. logical address
B. physical address
C. both a and b
D. none of these
Answer» D. none of these
Discussion
12.

How many bits the instruction pointer is wide:

A. 16 bit
B. 32 bit
C. 64 bit
D. 128 bit
Answer» B. 32 bit
Discussion
13.

The acculatator is 16 bit wide and is called:

A. ax
B. ah
C. al
D. dl
Answer» B. ah
Discussion
14.

DS Stand for:

A. data segment
B. direct segment
C. declare segment
D. divide segment
Answer» B. direct segment
Discussion
15.

CS Stand for:

A. code segment
B. coot segment
C. cost segment
D. counter segment
Answer» B. coot segment
Discussion
16.

IP Stand for:

A. instruction pointer
B. instruction purpose
C. instruction paints
D. none of these
Answer» B. instruction purpose
Discussion
17.

Eight of the register are known as:

A. general- purpose register
B. pointer or index registers
C. segment registers
D. other register
Answer» B. pointer or index registers
Discussion
18.

EU STAND FOR:

A. execution unit
B. execute unit
C. exchange unit
D. none of these
Answer» B. execute unit
Discussion
19.

BIU STAND FOR:

A. bus interface unit
B. bess interface unit
C. a and b
D. none of these
Answer» B. bess interface unit
Discussion
20.

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» B. write
Discussion
21.

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» C. both a and b
Discussion
22.

Which RAM is created using MOS transistors:

A. dynamic ram
B. static ram
C. permanent ram
D. sd ram
Answer» B. static ram
Discussion
23.

Which type of RAM needs regular referred:

A. dynamic ram
B. static ram
C. permanent ram
D. sd ram
Answer» B. static ram
Discussion
24.

The RAM which is created using bipolar transistors is called:

A. dynamic ram
B. static ram
C. permanent ram
D. ddr ram
Answer» C. permanent ram
Discussion
25.

Secondary memory is also called____:

A. auxiliary
B. backup store
C. both a and b
D. none of these
Answer» D. none of these
Discussion
26.

Secondary memory can store____:

A. program store code
B. compiler
C. operating system
D. all of these
Answer» E.
Discussion
27.

Which is the type of microcomputer memory:

A. processor memory
B. primary memory
C. secondary memory
D. all of these
Answer» E.
Discussion
28.

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» B. ectrically programmable read write memory
Discussion
29.

PROM stands for:

A. programmable read-only memory
B. programmable read write memory
C. programmer read and write memory
D. none of these
Answer» B. programmable read write memory
Discussion
30.

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

A. 16
B. 32
C. 36
D. 64
Answer» C. 36
Discussion
31.

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

A. pascal
B. dennis ritchie
C. charles babbage
D. von neumann
Answer» E.
Discussion
32.

Which is not the control bus signal:

A. read
B. write
C. reset
D. none of these
Answer» D. none of these
Discussion
33.

The data in the stack is called:

A. pushing data
B. pushed
C. pulling
D. none of these
Answer» B. pushed
Discussion
34.

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

A. stack
B. queue
C. accumulator
D. data register
Answer» B. queue
Discussion
35.

Name of typical dedicated register is:

A. pc
B. ir
C. sp
D. all of these
Answer» E.
Discussion
36.

There are primarily two types of register:

A. general purpose register
B. dedicated register
C. a and b
D. none of these
Answer» D. none of these
Discussion
37.

A set of register which contain are:

A. data
B. memory addresses
C. result
D. all of these
Answer» E.
Discussion
38.

Accumulator based microprocessor example are:

A. intel 8085
B. motorola 6809
C. a and b
D. none of these
Answer» D. none of these
Discussion
39.

Which is the microprocessor comprises:

A. register section
B. one or more alu
C. control unit
D. all of these
Answer» E.
Discussion
40.

What is the store by register?

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