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Syllabus

NEC Electronics · Practice

Chapters & sets

1. Basic Electrical and Electronics Engineering

Basic Electrical

Set 1106

Basic Electronics

Set 171 Set 233

2. Digital Logic and Microprocessor

Digital Logic

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 749 Set 851 Set 950 Set 1050 Set 1150 Set 1232

Microprocessor

Set 150 Set 250 Set 350 Set 445 Set 550 Set 650 Set 720 Set 850 Set 969

3. Programming Language and Its Applications

Mixed chapter MCQs

Set 150 Set 249 Set 349 Set 451 Set 540

4. Computer Organization and Embedded Systems

Mixed chapter MCQs

Set 150 Set 249 Set 350 Set 450 Set 550 Set 650 Set 750 Set 849 Set 950 Set 1050 Set 1150

5. Computer Networks and Network Security

Basic Networking

Set 150 Set 253

Advanced Networking

Set 150 Set 250 Set 350 Set 450 Set 550 Set 655

10. Project Planning, Design and Implementation

Mixed chapter MCQs Set 11

50 questions

Question 1

Who developed the basic architecture of computer?

A.
Blaise Pascal
B.
Charles Babbage
C.
John Von Neumann
D.
None of the above

Question 2

Which of the following allows simultaneous write and read operations?

A.
ROM
B.
FROM
C.
RAM
D.
None of the above

Question 3

Which of the following is not considered as a peripheral device?

A.
CPU
B.
Keyboard
C.
Monitor
D.
All of the above

Question 4

Which of the following computer memory is fastest?

A.
Register
B.
Hard disk
C.
RAM
D.
None of the above

Question 5

Which of the following operations is/are performed by the ALU?

A.
Data manipulation
B.
Exponential
C.
Square root
D.
All of the above

Question 6

Which of the following format is used to store data?

A.
Decimal
B.
Octal
C.
BCD
D.
Hexadecimal

Question 7

Which of the following memory of the computer is used to speed up the computer processing?

A.
Cache memory
B.
RAM
C.
ROM
D.
None of the above

Question 8

Computer address, bus is -

A.
Multidirectional
B.
Bidirectional
C.
Unidirectional
D.
None of the above

Question 9

Which of the following circuit is used to store one bit of data?

A.
Flip Flop
B.
Decoder
C.
Encoder
D.
Register

Question 10

Which of the following is a way in which the components of a computer are connected to each other?

A.
Computer parts
B.
Computer architecture
C.
Computer hardware
D.
None of the above

Question 11

Which of the following circuit convert the binary data into a decimal?

A.
Decoder
B.
Encoder
C.
Code converter
D.
Multiplexer

Question 12

The address in the main memory is known as -

A.
Logical address
B.
Physical address
C.
Memory address
D.
None of the above

Question 13

Subtraction in computers is carried out by -

A.
1's complement
B.
2's complement
C.
3's complement
D.
9's complement

Question 14

Which of the following computer bus connects the CPU to a memory on the system board?

A.
Expansion bus
B.
Width bus
C.
System bus
D.
None of the above

Question 15

Which of the following memory unit communicates directly with the CPU?

A.
Auxiliary memory
B.
Main memory
C.
Secondary memory
D.
None of the above

Question 16

The collection of 8-bits is called as -

A.
Byte
B.
Nibble
C.
Word
D.
Record

Question 17

Which of the following register can interact with the secondary storage?

A.
PC
B.
MAR
C.
MDR
D.
IR

Question 18

In which of the following form the computer stores its data in memory?

A.
Hexadecimal form
B.
Octal form
C.
Binary form
D.
Decimal form

Question 19

Which of the following is a combinational logic circuit which sends data from a single source to two or more separate destinations?

A.
Multiplexer
B.
Demultiplexer
C.
Encoder
D.
Decoder

Question 20

Which of the following is a group of bits that tells the computer to perform a particular operation?

A.
Accumulator
B.
Register
C.
Instruction code
D.
None of the above

Question 21

Where is the document temporarily stored during working on a document on PC?

A.
ROM
B.
CPU
C.
RAM
D.
Flash memory

Question 22

Where is the decoded instruction stored?

A.
Registers
B.
MDR
C.
PC
D.
IR

Question 23

What does MIMD stand for?

A.
Multiple Instruction Memory Data
B.
Multiple Instruction Multiple Data
C.
Memory Instruction Multiple Data
D.
Memory Information Memory Data

Question 24

The status bit is also called as -

A.
Unsigned bit
B.
Signed bit
C.
Flag bit
D.
None of the above

Question 25

Which of the following register keeps track of the instructions stored in the program stored in memory?

A.
Accumulator
B.
Address Register
C.
Program Counter
D.
Index Register

Question 26

The Program Counter is also called as

A.
Instruction Pointer
B.
Data Counter
C.
Memory pointer
D.
None of the above

Question 27

Which of the following topology is used in Ethernet?

A.
Ring topology
B.
Bus topology
C.
Mesh topology
D.
Star topology

Question 28

Which of the following is correct about memory and storage?

A.
Memory is temporary, Storage is temporary
B.
Memory is temporary, Storage is permanent
C.
Memory is permanent, Storage is temporary
D.
Memory is slow, Storage is fast

Question 29

Which of the following is equal to 4 bits?

A.
Byte
B.
Nibble
C.
Record
D.
All of the above

Question 30

What does one thousand bytes represent?

A.
Kilobyte (KB)
B.
Megabyte (MB)
C.
Gigabyte (GB)
D.
Terabyte (TB)

Question 31

What is the content of stack pointer (SP)?

A.
Address of the top element in the stack
B.
Address of current instruction
C.
Address of next instruction
D.
None of the above

Question 32

An n-bit microprocessor has -

A.
n-bit instruction register
B.
n-bit address register
C.
n-bit program counter
D.
None of the above

Question 33

Which of the following is the operation executed on data stored in registers?

A.
Byte operation
B.
Bit operation
C.
Macrooperation
D.
Microoperation

Question 34

What does a computer bus line consist of?

A.
Set of parallel lines
B.
Accumulators
C.
Registers
D.
None of the above

Question 35

Which of the following is performed by half adder?

A.
Binary addition operation for 2 decimal inputs
B.
Binary addition operation for 2 binary inputs
C.
Decimal addition operation for 2 decimal inputs
D.
Binary addition operation for 2 binary inputs

Question 36

Which of the following is a combinational logic circuit which converts binary information from n coded inputs to a maximum of 2n unique outputs?

A.
Multiplexer
B.
Demultiplexer
C.
Encoder
D.
Decoder

Question 37

Which of the following is a combinational logic circuit that change the binary information into N output lines?

A.
Multiplexer
B.
Demultiplexer
C.
Encoder
D.
Decoder

Question 38

Which of the following is a combinational logic circuit that has 2^n input lines and a single output line?

A.
Multiplexer
B.
Demultiplexer
C.
Encoder
D.
Decoder

Question 39

Which of the following building block can be used to implement any combinational logic circuit?

A.
AND
B.
OR
C.
NAND
D.
None of the above

Question 40

Which of the following is the circuit board on which chips and processor are placed?

A.
Master circuit
B.
Motherboard
C.
Big board
D.
None of the above

Question 41

Which of the following computer register collects the result of computation?

A.
Accumulator
B.
Instruction Pointer
C.
Storage register
D.
None of the above

Question 42

CISC stands for -

A.
Complex Instruction Set Computer
B.
Complete Instruction Sequential Compilation
C.
Complex Instruction Sequential Compiler
D.
None of the above

Question 43

Which of the following is the function of the control unit in the CPU?

A.
It stores program instruction
B.
It decodes program instruction
C.
It performs logic operations
D.
None of the above

Question 44

What does EEPROM stands for?

A.
Electrically Erasable and Programmable Read-Only Memory
B.
Electronically Erasable and Programmable Read-Only Memory
C.
Electrically Enabled and Programmable Read-Only Memory
D.
None of the above

Question 45

In which of the following term the performance of cache memory is measured?

A.
Chat ratio
B.
Hit ratio
C.
Copy ratio
D.
Data ratio

Question 46

RISC stands for -

A.
Reduce Instruction Set Computer
B.
Risk Instruction Sequential Compilation
C.
Risk Instruction Source Compiler
D.
None of the above

Question 47

Which of the following is an essential data transfer technique?

A.
MMA
B.
DMA
C.
CAD
D.
CAM

Question 48

Which of the following is page fault?

A.
Page fault occurs when a program accesses a page of another program
B.
Page fault occurs when a program accesses a page in main memory
C.
Page fault occurs when there is an error in particular page
D.
Page fault occurs when a program accesses a page which is not present in main memory

Question 49

What does DRAM stand for?

A.
Dynamic Read Access Memory
B.
Digital Random-Access Memory
C.
Dynamic Random-Access Memory
D.
Dynamic Read Allocation Memory

Question 50

Which of the following is known as the step by step procedure to solve a problem?

A.
Graph
B.
Table
C.
Algorithm
D.
None of the above

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