Fantastic Computer Input Output Test - 38+ MCQs: Computer Input Output Quiz: Test Your Knowledge of Data Transfer and Processing

1. Explain the concept of a virtual memory page fault and how it impacts program execution.

A page fault occurs when a program attempts to access a portion of virtual memory that is not currently in physical RAM. It impacts execution by causing a delay as the required memory is fetched from the disk into RAM.

A page fault happens when a program exceeds its allocated memory. It impacts execution by terminating the program abruptly.

A page fault occurs when a program tries to access a read-only section of memory. It impacts execution by triggering a runtime error.

A page fault happens when a program tries to access memory protected by the operating system. It impacts execution by crashing the entire system.

2. In the context of data transfer, what does 'Upload' refer to?

Transferring data from a computer to a central server

Transmitting data over a network

Storing data on a local device

Receiving data on a computer from an external source

3. Examine the role of 'Load Balancing' in computer networks and its impact on system performance.

To store frequently accessed data for quicker retrieval

To display visual information

Distributing network traffic evenly across multiple servers or paths

To optimize CPU processing speed

4. What is the significance of 'Biometric Authentication' in ensuring secure access to computer systems?

To store frequently accessed data for quicker retrieval

To display visual information

To optimize CPU processing speed

Verifying identity based on unique biological traits

5. Explain the concept of 'Packet Switching' in computer networks and its advantages.

A method of transmitting data in fixed-size units or packets

Converting data into a different format for transmission

Optimizing CPU processing speed

To generate a random input signal

6. Discuss the role of 'Latency' in data transfer and its impact on system performance.

The speed of the central processing unit

The delay between initiating a request and receiving a response

The resolution of a display

The size of main memory

7. Discuss the concept of 'Middleware' in computer systems and its role in data communication.

Software that acts as an intermediary between different applications

To display visual information

To optimize CPU processing speed

To provide input to the computer

8. What role does 'Multiplexing' play in computer input-output systems?

Executing multiple programs simultaneously

Combining multiple input signals into one

Optimizing CPU processing speed

Generating random input signals

9. What does 'OCR' stand for in the context of data processing?

Optical Character Recognition

Online Communication Router

Output Control Register

Object Class Reference

10. Discuss the significance of 'Buffering' in computer input-output operations.

Storing random input signals temporarily

Facilitating wireless data transfer

Optimizing CPU processing speed

Managing data flow between devices with different speeds

11. What is the purpose of 'Proxy Server' in the context of data communication and internet access?

To provide input to the computer

To optimize CPU processing speed

To display visual information

Acting as an intermediary between client and server for requests and responses

12. Explain the concept of 'Polling' in computer input-output and its role in data transfer.

A method of scanning and detecting connected devices

A process of generating random input signals

To facilitate wireless data transfer

To optimize CPU processing speed

13. Discuss the role of 'Jitter' in network communication and how it affects audio or video streaming.

Variability in packet arrival times

To store frequently accessed data for quicker retrieval

To display visual information

To optimize CPU processing speed

14. What is the purpose of 'Checksum' in data transfer and how does it ensure data integrity?

To execute multiple programs simultaneously

To display visual information

To optimize CPU processing speed

To detect errors in transmitted data and ensure integrity

15. Discuss the role of 'Error Handling' in computer input-output systems and its impact on data reliability.

To display visual information

To provide input to the computer

To manage errors that may occur during data transfer

To process instructions

16. Define the term 'RAID' in the context of data storage and its relevance to data reliability.

Random Access and Input Device

Redundant Array of Independent Disks

Read-After-Input Data

Real-time Access and Input Device

17. In the context of input-output operations, discuss the role of 'Data Encoding' and its importance.

Converting data into a different format for transmission

Executing multiple programs simultaneously

Optimizing CPU processing speed

Generating random input signals

18. Which of the following is an example of an 'Output Device'?

Keyboard

Printer

Mouse

Scanner

19. In the context of computer networks, explain the purpose of 'Routing' and how it facilitates data transfer.

To store frequently accessed data for quicker retrieval

To provide input to the computer

Determining the optimal path for data to travel from source to destination

To optimize CPU processing speed

20. In a multithreading environment, what is a race condition and how can it be avoided?

A situation where two or more threads access shared data concurrently, leading to unpredictable results. It can be avoided using synchronization techniques like locks.

A condition where threads compete to finish a task first. It can be avoided by increasing the thread priority.

A scenario where threads deadlock, waiting for each other to release resources. It can be avoided by using semaphores.

A situation where a thread becomes unresponsive. It can be avoided by terminating the thread and restarting it.

21. Discuss the significance of 'Firewall' in the context of data transfer and network security.

A device for controlling the flow of data between networks

To temporarily store data

To provide input to the computer

To optimize CPU processing speed

22. What is the primary function of a 'Scanner'?

To print documents

To capture and digitize images or documents

To display visual information

To provide input to the computer

23. What does 'LAN' stand for in the context of computer networks?

Local Area Network

Large Access Network

Logical Area Network

Low-latency Audio Network

24. What is the primary function of 'Cache Memory' in the context of computer data transfer?

To temporarily store data

To display visual information

To optimize CPU processing speed

To store frequently accessed data for quicker retrieval

25. What does 'NFC' stand for in the context of data transfer and mobile devices?

Near Field Communication

Network File Control

National Frequency Code

Non-Fiber Connection

26. Examine the role of 'Virtual Memory' in computer systems and its impact on overall performance.

To optimize CPU processing speed

To provide input to the computer

Using part of the hard disk as an extension of RAM

To store frequently accessed data for quicker retrieval

27. What is 'Duplex Communication' in the context of data transfer?

Simultaneous two-way communication

Executing multiple programs simultaneously

Optimizing CPU processing speed

Converting data into a different format for transmission

28. Define the term 'Bitrate' in the context of data transfer.

The speed of the central processing unit

The number of bits processed by the computer per second

The resolution of a display

The size of main memory

29. What does 'USB' stand for in the context of computer connectivity and data transfer?

Unified System Bus

Universal Serial Bus

Ultra Speed Buffer

User System Bridge

30. Define the term 'Peripheral' in the context of computer input-output.

Main memory of the computer

An external device connected to the computer

The central processing unit

A type of programming language

Computer Input Output MCQ Test 1