ICT Revision MCQ Series (AL Grade 12) . 5 Operating System

65 / 100

SEO Score

ICT Revision MCQ Series – Master Your Knowledge with Interactive Questions

Introduction In today’s fast-paced learning environment, multiple-choice questions (MCQs) have become a powerful tool for quick revision and self-assessment. Our Revision MCQ Series is designed to help students reinforce their understanding of key concepts through well-structured MCQs.

/30

ICT Revision MCQ Series AL lesson 5 . Operating System
This quiz assesses your knowledge of Grade 12 ICT lessons and serves as a revision test for your A/L examination preparation. It helps reinforce key concepts and improve your understanding of important ICT topics.
Perfect for:
Sri Lankan AL ICT students revising core concepts.
Building a strong foundation for exams and practical applications.
Good luck! 🖥️📊

1 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following is not a classification of operating systems?
Single-user, single-task
Multi-user, multi-task
Real-time
File-based
Time-sharing

Operating systems are classified by user and task handling, such as single-user or real-time, but file-based is not a standard classification.
2 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Operating systems enhance system functionality. In resource management, _______ allocates CPU and memory, in process management, _______ handles process execution, in security, _______ protects data, and in user interaction, _______ provides access.
scheduler, memory; PCB, execution; encryption, data; GUI, access
MMU, addresses; interrupts, states; passwords, files; CLI, drives
allocation, resources; states, processes; access controls, security; interfaces, interaction
paging, files; drivers, CPU; firewall, memory; drivers, users
virtual memory, CPU; scheduler, drives; authentication, data; spooling, access

Resource allocation manages CPU/memory, process states track execution, access controls secure data, and interfaces (GUI/CLI) enable user interaction.
3 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
In memory management, _______ extends RAM, _______ maps addresses, _______ divides memory, and _______ queues I/O tasks.
virtual memory, MMU, paging, spooling
paging, virtual memory, MMU, drivers
spooling, drivers, paging, MMU
MMU, paging, virtual memory, spooling
drivers, MMU, spooling, virtual memory

Virtual memory extends RAM, the MMU maps addresses, paging divides memory, and spooling queues I/O tasks like printing.
4 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following is not a purpose of disk formatting in an operating system?
Creating a file system structure
Organizing files hierarchically
Erasing existing data
Preparing the disk for data storage
Installing device drivers

Disk formatting sets up the file system and prepares the disk, but installing device drivers is a separate process for hardware communication.
5 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following statements correctly describe file system management? (a) File types like .exe indicate how files are processed by the OS, (b) Directories organize files in a hierarchical structure, (c) File security is managed using passwords and access privileges, (d) File systems store data only in contiguous blocks, (e) Defragmentation scatters files to improve access speed.
(a), (b), and (c) only
(a), (b), and (d) only
(b), (c), and (e) only
All of the above
(a) and (c) only

File types guide processing, directories organize files hierarchically, and security uses permissions. However, file systems use various allocation methods (not only contiguous), and defragmentation consolidates files, not scatters them.
6 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following statements correctly describe process scheduling? (a) Long-term scheduler controls the degree of multi-programming, (b) Short-term scheduler allocates CPU to ready processes, (c) Medium-term scheduler manages process swapping, (d) Schedulers eliminate the need for context switching, (e) Process control block is updated during scheduling.
(a), (b), and (c) only
(a), (b), (c), and (e) only
(b), (c), and (d) only
All of the above
(a) and (b) only

Long, short, and medium-term schedulers manage multi-programming, CPU allocation, and swapping, respectively. The PCB is updated during scheduling, but schedulers require context switching (d is false).
7 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following statements correctly describe operating system evolution? (a) Early OS were batch-processing systems, (b) Time-sharing OS enabled multi-user access, (c) Real-time OS prioritize interactive applications, (d) Multi-threading supports concurrent task execution, (e) Modern OS eliminate the need for security.
(a), (b), and (d) only
(a), (b), (c), and (d) only
(b), (c), and (e) only
All of the above
(a) and (b) only

Early OS used batch processing, time-sharing enabled multi-user access, and multi-threading supports concurrency. Real-time OS prioritize time-sensitive tasks (c is false), and modern OS require security (e is false).
8 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
For a system that organizes files in a directory hierarchy, which of the following correctly represents the input, process, and output?
File name; Creating directory entry; File location
File size; Allocating space; Directory path
User ID; Setting permissions; File access
File type; Assigning extension; File metadata
Disk capacity; Checking space; Directory status

Organizing files involves inputting a file name, processing it by creating a directory entry, and outputting the file’s location in the hierarchy.
9 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Match the following scheduling terms with their definitions: (a) Turnaround Time (1) Time from submission to first response, (b) Response Time (2) Number of processes completed per unit time, (c) Throughput (3) Time from submission to completion, (d) Waiting Time (4) Time spent in ready queue.
a-3, b-1, c-2, d-4
a-1, b-3, c-4, d-2
a-2, b-4, c-1, d-3
a-4, b-2, c-3, d-1
a-3, b-2, c-1, d-4

Turnaround time measures total execution time, response time is the first response delay, throughput counts completed processes, and waiting time is queue time.
10 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
(a) A process is a program in execution, (b) A program is a passive set of instructions, (c) Context switching eliminates process states, (d) The PCB stores process metadata, (e) Interrupts signal process changes. Choose the correct statements.
(a), (b), and (d)
(a), (b), and (c)
(b) and (e) only
All of the above
(a), (b), (d), and (e)

A process is active, a program is passive, the PCB stores metadata, and interrupts signal changes. Context switching manages states, not eliminates them (c is false).
11 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary method for an operating system to manage multitasking?
File allocation
Context switching
Disk formatting
Device installation
Memory mapping

Context switching saves and restores process states, allowing the OS to switch between tasks, enabling multitasking.
12 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Resource management in operating systems involves ______ for memory allocation, ______ for address translation, ______ for hardware communication, and ______ for print job queuing.
paging, MMU, drivers, spooling
spooling, paging, MMU, drivers
drivers, spooling, paging, MMU
MMU, drivers, spooling, paging
virtual memory, scheduler, drivers, PCB

Paging allocates memory, the MMU translates addresses, drivers enable hardware communication, and spooling queues print jobs.
13 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
For a file system that uses indexed allocation to manage file storage, which of the following correctly represents the input, process, and output?
File data; Creating index block; Stored file
File size; Checking disk space; Allocation status
Directory path; Updating file hierarchy; File location
File type; Assigning extension; File metadata
User access; Setting permissions; File security

Indexed allocation involves inputting file data, processing it by creating an index block to track data locations, and outputting the stored file on disk.
14 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary method for an operating system to secure files?
Context switching
Access privileges
Spooling
Paging
Process scheduling

Access privileges, such as read/write permissions, ensure only authorized users access files, enhancing file security.
15 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
(a) Defragmentation consolidates scattered files to improve access speed, (b) Contiguous allocation reduces fragmentation but limits file growth, (c) Linked allocation uses pointers to link file blocks, (d) File systems like FAT32 support only indexed allocation, (e) Disk formatting creates a file system structure. Choose the correct statements.
(a), (b), and (c)
(a), (b), and (e)
(b) and (d) only
All of the above
(a), (b), (c), and (e)

Defragmentation improves access, contiguous allocation limits growth, linked allocation uses pointers, and formatting creates file systems. FAT32 supports multiple allocation methods (d is false).
16 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Match the following process management components with their functions: (a) Process Control Block (1) Saves process state during switching, (b) Context Switching (2) Allocates CPU to processes, (c) Scheduler (3) Transitions process between states, (d) Process State (4) Tracks process lifecycle status.
a-1, b-3, c-2, d-4
a-4, b-2, c-1, d-3
a-1, b-2, c-3, d-4
a-2, b-1, c-4, d-3
a-3, b-4, c-2, d-1

The PCB stores process metadata, context switching saves/restores states, schedulers allocate CPU, and process states track lifecycle stages like ready or running.
17 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary method an operating system uses to provide user interaction?
Hardware drivers
User interfaces
Process scheduling
Memory allocation
File storage

The OS provides graphical (GUI) or command-line (CLI) interfaces to enable users to interact with the system, such as through Windows Explorer or Linux Terminal.
18 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following is not a process state in an operating system?
Ready
Running
Waiting
Formatting
Terminated

Process states include ready, running, waiting, and terminated, but formatting is a file system operation, not a process state.
19 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
(a) Single-user, single-task OS supports one user and one task at a time, (b) Multi-user, multi-task OS supports multiple users and tasks concurrently, (c) Real-time OS are designed for interactive user applications, (d) Time-sharing OS allocate CPU time slices for multiple users, (e) Multi-threading OS handle multiple threads within a process. Choose the correct statements.
(a), (b), and (d)
(a), (b), and (c)
(b) and (d) only
All of the above
(a), (b), (d), and (e)

Statements (a), (b), (d), and (e) are correct. Real-time OS (c) are for time-sensitive tasks, not interactive applications, making it incorrect.
20 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
(a) The MMU translates virtual to physical addresses, (b) Virtual memory eliminates physical memory constraints, (c) Device drivers enable OS-hardware communication, (d) Spooling queues print jobs for efficiency, (e) Paging organizes memory into variable-sized blocks. Choose the correct statements.
(a), (c), and (d)
(a), (b), and (c)
(b) and (e) only
All of the above
(a), (c), (d), and (e)

The MMU maps addresses, drivers enable communication, and spooling queues jobs. Virtual memory extends, not eliminates, physical memory (b), and paging uses fixed-size blocks (e).
21 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary method for an operating system to handle process transitions?
File allocation
Process states
File management
Device drivers
User interfaces

Process states (e.g., ready, running, waiting) define the lifecycle and transitions of a process, managed by the OS to ensure efficient execution.
22 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
For a system that tracks process states in an operating system, which of the following correctly represents the input, process, and output?
Process ID; Updating state; Process status
CPU usage; Allocating resources; Process priority
User command; Creating process; Process ID
Memory size; Assigning memory; Process state
Interrupt signal; Scheduling; Process queue

Tracking process states involves inputting the process ID, updating its state (e.g., ready to running), and outputting the current status.
23 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary method for an operating system to manage slow peripherals like printers?
Context switching
Spooling
Paging
File allocation
Process scheduling

Spooling queues data for slow devices like printers, allowing the CPU to handle other tasks, improving efficiency.
24 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
What is the primary function of an operating system in managing computer resources?
Running application software
Allocating CPU, memory, and I/O devices
Designing user interfaces
Connecting to the internet
Storing data on external drives

The operating system efficiently allocates resources like CPU, memory, and input/output devices to ensure smooth system performance, as outlined in its resource management function.
25 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following is not a function of device drivers in an operating system?
Translating OS commands to hardware instructions
Enabling communication with peripherals
Managing CPU scheduling
Installing hardware automatically
Ensuring hardware compatibility

Device drivers facilitate communication between the OS and hardware, but CPU scheduling is handled by the OS’s process management, not drivers.
26 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
For a system that uses spooling to manage print jobs in a multi-user environment, which of the following correctly represents the input, process, and output?
Print command; Queuing in buffer; Printed document
Printer status; Checking availability; Print job status
User ID; Verifying access; Printed document
Document size; Estimating print time; Print queue
Printer model; Selecting driver; Print command

Spooling involves accepting print commands, queuing them in a buffer for processing, and outputting the printed document, optimizing printer usage.
27 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Operating systems manage processes effectively. In process management, _______ defines the process lifecycle, _______ handles CPU allocation, _______ stores process metadata, and _______ enables multitasking.
interrupts, scheduler, PCB, context switching
process states, PCB, scheduler, interrupts
scheduler, interrupts, process states, PCB
PCB, context switching, interrupts, scheduler
process states, interrupts, PCB, scheduler

Interrupts signal process changes, schedulers allocate CPU, the PCB stores metadata, and context switching enables multitasking by saving/restoring process states.
28 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following cannot be managed directly by an operating system’s file system?
File storage allocation
Directory organization
Physical maintenance of the hard disk
File security permissions
File type associations

The OS manages logical aspects like storage allocation and file security, but physical maintenance (e.g., repairing disk hardware) requires external tools or technicians.
29 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Match the following storage allocation methods with their characteristics: (a) Contiguous (1) Uses index block for pointers, (b) Linked (2) Stores files in consecutive blocks, (c) Indexed (3) Links non-consecutive blocks.
a-2, b-3, c-1
a-1, b-2, c-3
a-3, b-1, c-2
a-2, b-1, c-3
a-1, b-3, c-2

Contiguous allocation uses consecutive blocks, linked allocation links scattered blocks, and indexed allocation uses an index block for pointers.
30 / 30
Category: Revision MCQ AL Grade 12 Lesion 5
Select Your Preferred Language 😊
Which of the following statements correctly describe virtual memory? (a) Virtual memory uses disk space to extend RAM, (b) Paging divides memory into fixed-size units, (c) Virtual memory eliminates the need for physical RAM, (d) The MMU maps virtual to physical addresses, (e) Virtual memory improves multitasking efficiency.
(a), (b), and (d) only
(a), (b), (d), and (e) only
(b), (c), and (e) only
All of the above
(a) and (c) only

Virtual memory extends RAM using disk, uses paging, relies on the MMU for address mapping, and enhances multitasking. However, it doesn’t eliminate physical RAM (c).
Your score is
0%

Table of Contents

Why Use MCQs for Learning? MCQs are a great way to evaluate your understanding of a subject in a structured manner. Here’s why they are effective:

Quick and Efficient – MCQs allow for rapid assessment of knowledge.
Engaging and Interactive – They keep learning interesting and encourage active participation.
Memory Retention – Answering questions enhances recall and reinforces concepts.
Instant Feedback – You can immediately check your answers and improve your understanding.

Tips MCQ-Based Exams

To score well in MCQ exams, follow these strategies:

Understand the Concepts – Don’t just memorize answers; understand the logic behind them.
Eliminate Wrong Options – Narrow down choices by eliminating incorrect answers.
Time Management – Avoid spending too much time on one question.
Practice Regularly – Consistent practice improves accuracy and speed.
Read Carefully – Pay attention to tricky words like not, always, and except.

Conclusion

The Revision MCQ Series is your go-to resource for mastering concepts efficiently. Keep practicing with Lesson 1 questions and stay tuned for upcoming lessons. Your success starts with consistent revision and smart study techniques!

FAQs

1. How can MCQs help in learning? MCQs improve retention, provide quick assessment, and make learning engaging.

2. Can I find more lessons in this series? Yes! We regularly update the Revision MCQ Series with new lessons. Stay tuned!

3. How should I prepare for MCQ-based exams? Understand concepts, practice regularly, manage time well, and eliminate wrong answers.

4. Where can I access more MCQs? You can find additional MCQs on our website or in upcoming blog posts.

5. Is this MCQ series suitable for all students? Yes! Whether you’re a beg

Spread the love

School ICT Self Study

ICT Learning & Teaching Resource ( AL/OL )

ICT Revision MCQ Series (AL Grade 12) . 5 Operating System

Why Use MCQs for Learning? MCQs are a great way to evaluate your understanding of a subject in a structured manner. Here’s why they are effective:

Tips MCQ-Based Exams

Conclusion

FAQs

Be the first to comment

Leave a Reply Cancel reply

Install the School ICT App

Add School ICT Self Study to your Homescreen!