Question for UPPSC Polytechnic Lecturer (Computer Science) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest UPPSC Polytechnic Lecturer Computer Science Exam Question (Objective Questions), MCQ in English

Subjects : General Studies, Computer Science

Question Bank UPPSC Polytechnic Lecturer (Computer Science) Exam Paper 2 - English

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General Studies

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 3Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 4Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry

A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3

Question 5Single Answer

Which of the following programmes aims at the promotion of savings among rural women

A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna

Question 6Single Answer

What is Net National Product

A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy

Question 7Single Answer

National income is the

A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost

Question 8Single Answer

Chelliah Committee of 1992 deals with the overhauling of our

A
financial system
B
tax system
C
patents and copyrights
D
Public sector undertakings

Question 9Single Answer

During which Five Year Plan was the annual growth rate of National Income the lowest

A
2^nd plan
B
3^rd plan
C
5^th plan
D
6^th plan

Question 10Single Answer

Which of the following taxes is a progressive tax

A
sales tax
B
custom tax
C
excise tax
D
income tax

Question 11Single Answer

When Uttar Pradesh got it officially as statehood ?

A
24 January, 1950
B
26 January, 1952
C
1 January, 1956
D
18 February, 1957

Question 12Single Answer

How many districts are there in Uttar Pradesh

A
60
B
57
C
75
D
87

Question 13Single Answer

What are the official languages of Uttar Pradesh ?

A
Hindi & Urdu
B
Only Hindi
C
Only Urdu
D
Kumaoni

Question 14Single Answer

How many members of Lok Sabha from Uttar Pradesh ?

A
56
B
78
C
80
D
51

Question 15Single Answer

How many members of Rajya Sabha from Uttar Pradesh ?

A
45
B
51
C
31
D
77

Question 16Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 17Single Answer

Who was the Chairman of the Drafting Committee of the Indian Constitution?

A
Dr. Rajendra Prasad
B
Dr. B.R. Ambedkar
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 18Single Answer

The idea of the Constituent Assembly was first put forward by:

A
Mahatma Gandhi
B
M.N. Roy
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 19Single Answer

The Cabinet Mission Plan for India was proposed in:

A
1942
B
1945
C
1946
D
1947

Question 20Single Answer

The Constitution of India was adopted on:

A
15th August 1947
B
26th January 1950
C
26th November 1949
D
30th January 1948

Question 21Single Answer

Which country holds the BRICS Chairmanship in 2026?

A
Brazil
B
Russia
C
China
D
India

Question 22Single Answer

What is the theme of India’s BRICS Chairmanship 2026?

A
Inclusive Growth for All
B
Sustainable Global Economy
C
One Earth One Future
D
Building for Resilience, Innovation, Cooperation and Sustainability

Question 23Single Answer

Where was the BRICS Foreign Ministers' Meeting held in May 2026?

A
Mumbai
B
Hyderabad
C
Bengaluru
D
New Delhi

Question 24Single Answer

Which summit on Artificial Intelligence was hosted by India in February 2026?

A
World AI Congress
B
AI Action Summit
C
India AI Impact Summit 2026
D
Global AI Forum

Question 25Single Answer

Where was the India AI Impact Summit 2026 organized?

A
Pragati Maidan, Delhi
B
Vigyan Bhawan, New Delhi
C
Bharat Mandapam, New Delhi
D
Hyderabad International Convention Centre

Computer Science

Question 26Single Answer

What is an operating system?

A
A hardware device
B
A programming language
C
A software that manages computer hardware and software resources
D
A database system

Question 27Single Answer

Which of the following is a function of an operating system?

A
Memory management
B
Word processing
C
Compiling programs
D
Drawing graphics

Question 28Single Answer

Which of the following is a feature of a real-time operating system?

A
Provides immediate processing to external events
B
High-speed processing
C
Supports multiple users
D
Manages batch jobs

Question 29Single Answer

In a layered operating system structure, which layer interacts directly with hardware?

A
User layer
B
Interface layer
C
Application layer
D
Kernel layer

Question 30Single Answer

Which operating system structure is easy to debug and maintain?

A
Monolithic kernel
B
Modular kernel
C
Microkernel
D
Layered structure

Question 31Single Answer

What is a monolithic kernel?

A
A kernel with minimal functions
B
A kernel divided into layers
C
A kernel that does not support multitasking
D
A kernel where all OS services run in kernel space

Question 32Single Answer

Microkernel OS is characterized by:

A
Running all services in kernel space
B
Running most services in user space
C
Not supporting device management
D
Being slower than monolithic kernel always

Question 33Single Answer

Which of the following is a type of system call?

A
File management
B
All of the above
C
Process control
D
Network management

Question 34Single Answer

Which system call is used to create a new process?

A
fork()
B
exec()
C
wait()
D
exit()

Question 35Single Answer

Which system program translates high-level language into machine code?

A
Assembler
B
Compiler
C
Loader
D
Linker

Question 36Single Answer

A process control block (PCB) contains:

A
Process state
B
Program counter
C
All of the above
D
CPU registers

Question 37Single Answer

Which of the following is an example of inter-process communication (IPC)?

A
Shared memory
B
All of the above
C
Pipes
D
Message passing

Question 38Single Answer

The “Producer-Consumer” problem is an example of:

A
Deadlock problem
B
Classical synchronization problem
C
Scheduling problem
D
Memory management problem

Question 39Single Answer

Which algorithm is non-preemptive CPU scheduling?

A
Shortest Job Next (SJN)
B
Round Robin (RR)
C
Priority (preemptive)
D
Multilevel Queue

Question 40Single Answer

In Round Robin scheduling, time slice is also called:

A
Cycle
B
Quantum
C
Burst time
D
Priority

Question 41Single Answer

Which CPU scheduling algorithm minimizes average waiting time for a given set of processes?

A
First Come First Serve (FCFS)
B
Round Robin (RR)
C
Shortest Job Next (SJN)
D
Priority Scheduling

Question 42Single Answer

External fragmentation occurs in:

A
Contiguous memory allocation
B
Segmentation
C
Paging
D
Virtual memory

Question 43Single Answer

Paging helps to solve which problem?

A
Deadlock
B
External fragmentation
C
Process synchronization
D
CPU scheduling

Question 44Single Answer

The page table contains:

A
Disk location
B
CPU registers
C
Process ID
D
Page number and frame number mapping

Question 45Single Answer

Which disk scheduling algorithm provides the shortest seek time for requests?

A
FCFS
B
C-SCAN
C
SCAN
D
SSTF

Question 46Single Answer

The SCAN disk scheduling algorithm is also called:

A
Shortest seek time first
B
Circular algorithm
C
First come first serve
D
Elevator algorithm

Question 47Single Answer

Which file access method reads the file sequentially from beginning to end?

A
Indexed access
B
Direct access
C
Sequential access
D
Hashed access

Question 48Single Answer

Which UNIX command is used to list files in a directory?

A
ls
B
cd
C
pwd
D
mkdir

Question 49Single Answer

The UNIX command to change file permissions is:

A
chown
B
chmod
C
cp
D
mv

Question 50Single Answer

In UNIX, which command displays the current working directory?

A
ls
B
pwd
C
cd
D
who

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Computer Science

Question 51Single Answer

In Linux, the process scheduler manages:

A
File storage
B
Memory allocation
C
CPU allocation
D
Device communication

Question 52Single Answer

Which of the following is a Linux process state?

A
All of the above
B
Waiting
C
Stopped
D
Running

Question 53Single Answer

A thread is:

A
Independent program
B
A process within a process
C
Hardware component
D
Kernel module

Question 54Single Answer

Which of the following is a benefit of multithreading?

A
Better resource utilization
B
Faster execution
C
All of the above
D
Simplified program structure

Question 55Single Answer

Deadlock occurs when:

A
Disk scheduling fails
B
CPU is idle
C
Memory is full
D
Processes are waiting indefinitely for resources

Question 56Single Answer

Banker’s algorithm is used for:

A
File management
B
Memory allocation
C
CPU scheduling
D
Deadlock avoidance

Question 57Single Answer

Which of the following is a system component?

A
Kernel
B
Shell
C
Utility programs
D
All of the above

Question 58Single Answer

In Linux, which editor is a command-line text editor?

A
vi
B
Both a and c
C
nano
D
gedit

Question 59Single Answer

Which networking layer does TCP operate on?

A
Application layer
B
Transport layer
C
Network layer
D
Physical layer

Question 60Single Answer

Security in operating systems can be ensured by:

A
Authentication
B
All of the above
C
Encryption
D
Authorization

Question 61Single Answer

A reentrant kernel is:

A
Thread-safe and can be shared by multiple processes
B
Not sharable
C
Only for batch processing
D
Same as monolithic kernel

Question 62Single Answer

Which command in UNIX removes a directory?

A
rm
B
rmdir
C
mkdir
D
del

Question 63Single Answer

In process scheduling, CPU-bound processes:

A
Are idle
B
Spend more time in I/O
C
Spend more time in CPU
D
Wait for memory

Question 64Single Answer

Which memory management technique divides memory into fixed-size blocks?

A
Demand paging
B
Segmentation
C
Virtual memory
D
Paging

Question 65Single Answer

Fragmentation that occurs within allocated memory blocks is called:

A
Internal fragmentation
B
External fragmentation
C
Memory leak
D
Thrashing

Question 66Single Answer

Which IPC mechanism is faster?

A
Message passing
B
Shared memory
C
File communication
D
Socket programming

Question 67Single Answer

The “init” process in Linux is responsible for:

A
Booting the system
B
Scheduling processes
C
Managing memory
D
Handling I/O devices

Question 68Single Answer

The “exec()” system call is used to:

A
Terminate a process
B
Create a child process
C
Replace the current process with a new process
D
Wait for a process

Question 69Single Answer

Multilevel Queue Scheduling is suitable for:

A
Equal priority processes
B
Processes with different priority classes
C
CPU-bound processes only
D
I/O-bound processes only

Question 70Single Answer

Which of the following is a device management task of OS?

A
Device allocation
B
Device scheduling
C
Device access control
D
All of the above

Question 71Single Answer

Linux supports which type of file system?

A
ext3
B
ext4
C
FAT32
D
All of the above

Question 72Single Answer

Which of the following commands shows the list of running processes in Linux?

A
ps
B
top
C
htop
D
All of the above

Question 73Single Answer

A kernel mode operation has:

A
No privileges
B
Limited access to memory
C
Only user-space access
D
Full access to hardware

Question 74Single Answer

Context switching in an OS refers to:

A
Allocating memory to processes
B
Switching from one thread to another in the same process
C
Saving the state of a process and loading another process
D
Scheduling I/O operations

Question 75Single Answer

Which of the following is a type of system call in operating systems?

A
Process control
B
All of the above
C
Device management
D
File management

Question 76Single Answer

The UNIX command to display the first lines of a file is:

A
tail
B
head
C
cat
D
more

Question 77Single Answer

The UNIX command to display the last lines of a file is:

A
head
B
less
C
cat
D
tail

Question 78Single Answer

In Linux, the “kill” command is used to:

A
Terminate a process
B
Create a new process
C
Suspend a process
D
Display process status

Question 79Single Answer

Which of the following is true about a microkernel?

A
Minimal functions run in kernel space
B
Device drivers run in user space
C
All of the above
D
Easy to extend

Question 80Single Answer

Which scheduling algorithm can be preemptive or non-preemptive?

A
All of the above
B
Round Robin
C
FCFS
D
Priority Scheduling

Question 81Single Answer

Which CPU scheduling algorithm may lead to starvation?

A
FCFS
B
Priority Scheduling
C
Round Robin
D
Shortest Job Next

Question 82Single Answer

Which of the following is a type of process?

A
All of the above
B
I/O-bound
C
Interactive
D
CPU-bound

Question 83Single Answer

The main purpose of virtual memory is to:

A
Increase physical memory
B
Manage disk files
C
Reduce CPU usage
D
Provide an illusion of large memory

Question 84Single Answer

Thrashing occurs when:

A
CPU spends more time swapping pages than executing processes
B
CPU executes too many processes simultaneously
C
Memory is underutilized
D
Disk is idle

Question 85Single Answer

Which of the following is a characteristic of a real-time operating system?

A
Deterministic response
B
Batch processing
C
Single-user
D
Monolithic structure only

Question 86Single Answer

In Linux, which command is used to display system date and time?

A
time
B
date
C
cal
D
clock

Question 87Single Answer

Semaphore is used for:

A
File management
B
Memory allocation
C
Process synchronization
D
CPU scheduling

Question 88Single Answer

Mutex is a:

A
Disk scheduling algorithm
B
Counting semaphore
C
CPU scheduling algorithm
D
Binary semaphore

Question 89Single Answer

Which of the following is a method of inter-process communication?

A
Message passing
B
All of the above
C
Pipes
D
Shared memory

Question 90Single Answer

Which UNIX command is used to create a new directory?

A
rmdir
B
mkdir
C
touch
D
ls

Question 91Single Answer

Which memory management technique allows non-contiguous memory allocation?

A
Paging
B
Segmentation
C
Both a and b
D
Contiguous allocation

Question 92Single Answer

A process in “ready” state is:

A
Waiting for I/O
B
Waiting for CPU
C
Terminated
D
Suspended

Question 93Single Answer

The process that performs “context switching” is:

A
I/O manager
B
Memory manager
C
CPU scheduler
D
File manager

Question 94Single Answer

The “ls -l” command in UNIX shows:

A
File details in long format
B
Directory name only
C
Current working directory
D
Hidden files only

Question 95Single Answer

Which of the following is a Linux shell?

A
Bash
B
Zsh
C
All of the above
D
Ksh

Question 96Single Answer

Which type of operating system is DOS?

A
Embedded OS
B
Multi-user, multitasking
C
Real-time OS
D
Single-user, single-tasking

Question 97Single Answer

Which of the following commands shows disk usage in Linux?

A
du
B
df
C
ls
D
free

Question 98Single Answer

Which command displays free memory in Linux?

A
top
B
df
C
free
D
ps

Question 99Single Answer

The “exec()” system call is used to:

A
Replace current process image
B
Terminate process
C
Fork new process
D
Wait for a process

Question 100Single Answer

Which of the following is a UNIX file type?

A
Regular file
B
Directory
C
Symbolic link
D
All of the above

Question 101Single Answer

The process control block (PCB) is maintained by:

A
User program
B
Operating system
C
Compiler
D
Shell

Question 102Single Answer

Which of the following is true about threads?

A
All of the above
B
Have individual program counter
C
Can execute independently
D
Share process resources

Question 103Single Answer

Which CPU scheduling algorithm is fair to all processes?

A
FCFS
B
Round Robin
C
SJN
D
Priority

Question 104Single Answer

In segmentation, the logical address consists of:

A
Virtual and physical address
B
Page number and frame number
C
Base and limit
D
Segment number and offset

Question 105Single Answer

In paging, the physical memory is divided into:

A
Blocks
B
Pages
C
Frames
D
Segments

Question 106Single Answer

Which of the following is used to prevent race conditions?

A
Semaphore
B
Mutex
C
Critical section
D
All of the above

Question 107Single Answer

The UNIX command to copy files is:

A
mv
B
cp
C
rm
D
touch

Question 108Single Answer

The UNIX command to move or rename a file is:

A
ls
B
cp
C
rm
D
mv

Question 109Single Answer

Which of the following is true for preemptive scheduling?

A
Only one process exists
B
Processes run till completion
C
A process can be interrupted
D
No context switching

Question 110Single Answer

The first process created by the OS during booting is:

A
init
B
bash
C
cron
D
systemd

Question 111Single Answer

In Linux, which command displays logged-in users?

A
uname
B
ps
C
top
D
who

Question 112Single Answer

Which of the following is a classical synchronization problem?

A
Dining Philosophers
B
All of the above
C
Readers-Writers
D
Producer-Consumer

Question 113Single Answer

In the FCFS scheduling algorithm, average waiting time is calculated based on:

A
Arrival time
B
Quantum
C
Priority
D
Burst time

Question 114Single Answer

In UNIX, which command removes files?

A
rm
B
rmdir
C
mv
D
touch

Question 115Single Answer

In Linux, which command displays current running processes continuously?

A
top
B
ps
C
jobs
D
htop

Question 116Single Answer

Segmentation provides:

A
Logical view of memory
B
Faster execution
C
All of the above
D
Eliminates internal fragmentation

Question 117Single Answer

Which of the following is an I/O scheduling algorithm?

A
FCFS
B
SSTF
C
SCAN
D
All of the above

Question 118Single Answer

A counting semaphore can take:

A
Non-negative integer values
B
Only 0 and 1
C
Negative integer values
D
Any value

Question 119Single Answer

Which command in Linux displays system uptime?

A
top
B
uptime
C
date
D
who

Question 120Single Answer

In Linux, which command creates an empty file?

A
cp
B
mkdir
C
touch
D
rm

Question 121Single Answer

Which system program is used to load an executable into memory?

A
Assembler
B
Compiler
C
Loader
D
Linker

Question 122Single Answer

Which command displays the last 10 lines of a file?

A
head
B
tail
C
cat
D
more

Question 123Single Answer

The process in “waiting” state is:

A
Waiting for CPU
B
Waiting for I/O
C
Ready to execute
D
Terminated

Question 124Single Answer

Device drivers in OS operate in:

A
Both
B
User mode
C
Kernel mode
D
None

Question 125Single Answer

Which type of operating system manages hardware for multiple users simultaneously?

A
Multi-user OS
B
Batch OS
C
Single-user OS
D
Real-time OS

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Latest UPPSC Polytechnic Lecturer Computer Science Exam Question (Objective Questions), MCQ in English

General Studies

Computer Science

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