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Syllabus

NEC Computer · Practice

Chapters & sets

1. Basic Electrical and Electronics

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 System

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. Concept of Computer Network and Network Security System

Basic Networking

Set 150 Set 253

Advanced Networking

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

6. Theory of Computation and Computer Graphics

Theory of Computation

Set 150 Set 250 Set 360

Computer Graphics

Set 150 Set 251 Set 350 Set 450 Set 550

7. Data Structures and Algorithm, Database System and Operating System

8. Software Engineering and Object-Oriented Analysis & Design

Mixed chapter MCQs

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 750 Set 926

9. Artificial Intelligence and Neural Networks

Mixed chapter MCQs

Set 150 Set 317 Set 450 Set 550 Set 650 Set 750 Set 850 Set 932

10. Project Planning, Design and Implementation

Engineering Drawing

Set 150 Set 267

Engineering Economics

Set 168

Project Planning & Scheduling

Set 188

Project Mangement

Set 150

Engineering Professional Practice

Set 120

Engineering Regulatory Body

Set 130

Microprocessor Set 9

69 questions

Question 1

Which of the following controls the time slicing mechanism in a multitasking operating system?

A.
Kernel
B.
Single tasking kernel
C.
Multitasking kernel
D.
Application manager

Question 2

50

Which of the following provides time period for the context switch?

A.
Timer
B.
Counter
C.
Time slice
D.
Time machine

Question 3

Which of the following can periodically trigger the context switch?

A.
Software interrupt
B.
Hardware interrupt
C.
Peripheral
D.
Memory

Question 4

Which interrupt provides system clock in the context switching?

A.
Software interrupt
B.
Hardware interrupt
C.
Peripheral
D.
Memory

Question 5

The special table in the multitasking operating system is also known as

A.
Task control block
B.
Task access block
C.
Task address block
D.
Task allocating block

Question 6

Which of the following stores all the task information that the system requires?

A.
Task access block
B.
Register
C.
Accumulator
D.
Task control block

Question 7

Which of the following contains all the task and their status?

A.
Register
B.
Ready list
C.
Access list
D.
Task list

Question 8

Which determines the sequence and the associated task’s priority?

A.
Scheduling algorithm
B.
Ready list
C.
Task control-block
D.
Application register

Question 9

Which of the following can be used to refer to entities within the RTOS?

A.
Threads
B.
Kernels
C.
System
D.
Applications

Question 10

Which of the following defines the set of instructions loaded into the memory?

A.
Process
B.
Task
C.
Thread
D.
System hardware

Question 11

Which of the following uses its own address space?

A.
Thread
B.
Process
C.
Task
D.
Kernel

Question 12

Which of the following does not use a shared memory?

A.
Process
B.
Thread
C.
Task
D.
Kernel

Question 13

Which of the following can own and control the resources?

A.
Thread
B.
Task
C.
System
D.
Peripheral

Question 14

Which can be supported if the task or process maintains a separate data area for each thread?

A.
Single thread system
B.
Mono thread system
C.
Multiple threads
D.
Dual threads

Question 15

Which of the following possesses threads of execution?

A.
Process
B.
Thread
C.
Kernel
D.
Operating system

Question 16

Which term is used to encompass more than a simple context switch?

A.
Process
B.
Single thread system
C.
Thread
D.
Multithread

Question 17

Which can be considered as the lower level in the multitasking operating system?

A.
Process
B.
Task
C.
Threads
D.
Multi threads

Question 18

Which of the following are the pin efficient method of communicating between other devices?

A.
Serial port
B.
Parallel port
C.
Peripheral port
D.
Memory port

Question 19

Which of the following depends the number of bits that are transferred?

A.
Wait statement
B.
Ready statement
C.
Time
D.
Counter

Question 20

Which of the following is the most commonly used buffer in the serial porting?

A.
LIFO
B.
FIFO
C.
FILO
D.
LILO

Question 21

What does SPI stand for?

A.
Serial parallel interface
B.
Serial peripheral interface
C.
Sequential peripheral interface
D.
Sequential port interface

Question 22

Which allows the full duplex synchronous communication between the master and the slave?

A.
SPI
B.
Serial port
C.
I2C
D.
Parallel port

Question 23

Which of the following processor uses SPI for interfacing?

A.
8086
B.
8253
C.
8254
D.
MC68HC11

Question 24

In which register does the data is written in the master device?

A.
Index register
B.
Accumulator
C.
SPDR
D.
Status register

Question 25

What happens when 8 bits are transferred in the SPI?

A.
Wait statement
B.
Ready statement
C.
Interrupt
D.
Remains unchanged

Question 26

Which signal is used to select the slave in the serial peripheral interfacing?

A.
Slave select
B.
Master select
C.
Interrupt
D.
Clock signal

Question 27

How much time period is necessary for the slave to receive the interrupt and transfer the data?

A.
4 clock time period
B.
8 clock time period
C.
16 clock time period
D.
24 clock time period

Question 28

Which of the following allows a lower priority task to run despite the higher priority task is active and waiting to preempt?

A.
Message queue
B.
Message passing
C.
Semaphore
D.
Priority inversion

Question 29

What happens to the interrupts in an interrupt service routine?

A.
Disable interrupt
B.
Enable interrupts
C.
Remains unchanged
D.
Ready state

Question 30

Which of the following is a part of RTOS kernel?

A.
Memory
B.
Input
C.
ISR
D.
Register

Question 31

Which of the following is an industrial interconnection bus?

A.
Bus interface unit
B.
Data bus
C.
Address bus
D.
VMEbus

Question 32

Which of the following supports seven interrupt priority level?

A.
Kernel
B.
Operating system
C.
VMEbus
D.
Data bus

Question 33

Which allows the parallel development of the hardware and software in the simulation?

A.
High-level language simulation
B.
Low-level language simulation
C.
CPU simulator
D.
Onboard simulator

Question 34

Which of the following are used to test the software?

A.
Data entity
B.
Data entry
C.
Data table
D.
Data book

Question 35

Which allows the UNIX software to be ported using a simple recomputation?

A.
pSOS+
B.
UNIX compatible library
C.
pSOS+m
D.
pOS+kernel

Question 36

Which of the following can simulate the processor, memory, and peripherals?

A.
Input simulator
B.
Peripheral simulator
C.
Memory simulator
D.
CPU simulator

Question 37

How many categories are there for the low-level simulation?

A.
2
B.
3
C.
4
D.
5

Question 38

How many categories are there for the low-level simulation?

A.
2
B.
3
C.
4
D.
5

Question 39

Which of the following can simulate the LCD controllers and parallel ports?

A.
Memory simulator
B.
SDS
C.
Input simulator
D.
Output tools

Question 40

Which of the following provides a low-level method of debugging software?

A.
High-level simulator
B.
Low-level simulator
C.
Onboard debugger
D.
CPU simulator

Question 41

Which of the following has the ability to download code using a serial port?

A.
CPU simulator
B.
High-level language simulator
C.
Onboard debugger
D.
Low-level language simulator

Question 42

What does the processor fetches from the EPROM if the board is powered?

A.
Reset vector
B.
Ready vector
C.
Start vector
D.
Acknowledge vector

Question 43

Which of the following device can transfer the vector table from the EPROM?

A.
ROM
B.
RAM
C.
CPU
D.
Peripheral

Question 44

Which of the following allows the reuse of the software and the hardware components?

A.
Platform based design
B.
Memory design
C.
Peripheral design
D.
Input design

Question 45

Which of the following is the design in which both the hardware and software are considered during the design?

A.
Platform based design
B.
Memory based design
C.
Software/hardware codesign
D.
Peripheral design

Question 46

What does API stand for?

A.
Address programming interface
B.
Application programming interface
C.
Accessing peripheral through interface
D.
Address programming interface

Question 47

Which activity is concerned with identifying the task at the final embedded systems?

A.
High-level transformation
B.
Compilation
C.
Scheduling
D.
Task-level concurrency management

Question 48

In which design activity, the loops are interchangeable?

A.
Compilation
B.
Scheduling
C.
High-level transformation
D.
Hardware/software partitioning

Question 49

Which design activity helps in the transformation of the floating point arithmetic to a fixed point arithmetic?

A.
High-level transformation
B.
Scheduling
C.
Compilation
D.
Task-level concurrency management

Question 50

Which design activity is in charge of mapping operations to hardware?

A.
Scheduling
B.
High-level transformation
C.
Hardware/software partitioning
D.
Compilation

Question 51

Which of the following is approximated during hardware/software partitioning, during task level concurrency management?

A.
Scheduling
B.
Compilation
C.
Task-level concurrency management
D.
High-level transformation

Question 52

Which of the following is a process of analyzing the set of possible designs?

A.
Design space exploration
B.
Scheduling
C.
Compilation
D.
Hardware/software partitioning

Question 53

Which of the following is a meet-in-the-middle approach?

A.
Peripheral based design
B.
Platform based design
C.
Memory based design
D.
Processor design

Question 54

A software program that serves as an interface between the user of a computer and computer hardware is called

A.
Application software
B.
Utility system
C.
Compiler
D.
Operating system

Question 55

Which of the following was the first single user command based operating system (OS) for PC?

A.
Windows 9X
B.
VMS
C.
Windows 95
D.
PC-DOS

Question 56

Which of the following is/are multitasking operating system?

A.
Linux
B.
Unix
C.
Windows 95
D.
All of the above

Question 57

Which of the following operating system is responsible for scheduling tasks according to priority and resource required?

A.
Time Sharing Operating System
B.
Real time Operating System
C.
Multi User Operating System
D.
Batch Processing Operating System

Question 58

Which of the following is a batch processing operating system?

A.
Linux
B.
VMS
C.
Unix
D.
Mac OS

Question 59

Which of the following is also known as Command Line Interface (CLI)?

A.
Character User Interface
B.
Command User Interface
C.
Command User Intercom
D.
None of these

Question 60

Microsoft Windows operating system is . . . . and . . . .

A.
Multitasking, Multiuser
B.
Multiuser, Single tasking
C.
Single user, Multitasking
D.
Single user, Single tasking

Question 61

The process which is used to load the operating system in the memory of computer is called

A.
Processing
B.
Booting
C.
Starting
D.
Synchronizing

Question 62

Which program is typically stored in ROM (read only memory) of a computer system?

A.
Application program
B.
Operating system program
C.
Bootstrap program
D.
Both b and c

Question 63

The process of choosing a task among several tasks in the pool and loading it into the main memory, is

A.
Single processing
B.
Job scheduling
C.
Single programming
D.
Single tasking

Question 64

What is the full form of POST?

A.
Power On Self Test
B.
Power Off Self Test
C.
Power On/Off Self Test
D.
None

Question 65

The ______ Operating System pays more attention to the meeting of the time limits.

A.
Network
B.
Distributed
C.
Online
D.
Real-time

Question 66

The interrupt latency should be ______ for real time operating systems.

A.
Maximum
B.
Minimal
C.
Dependent on the scheduling
D.
Zero

Question 67

The Time duration required for scheduling dispatcher to stop one process and start another is called...

A.
Dispatch latency
B.
Process latency
C.
Interrupt latency
D.
Execution latency

Question 68

Which single task of a particular application is process is a type of processor...

A.
Applicant processor
B.
One task processor
C.
Real Time processor
D.
Dedicated processor

Question 69

Which one of the following is a real time operating system?

A.
RTLinux
B.
VxWorks
C.
Windows CE
D.
All of the mentioned

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