Q. A hard disk drive (HDD) has a storage capacity of 1 TB. How many gigabytes (GB) is that?
A.
500 GB
B.
1000 GB
C.
1024 GB
D.
2048 GB
Show solution
Solution
1 TB = 1024 GB. Therefore, a 1 TB HDD has a capacity of 1024 GB.
Correct Answer:
C
— 1024 GB
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Q. A hard disk drive (HDD) has a storage capacity of 1 TB. How many gigabytes is this?
A.
500 GB
B.
1000 GB
C.
1024 GB
D.
2048 GB
Show solution
Solution
1 TB = 1024 GB. Therefore, a 1 TB HDD has a capacity of 1024 GB.
Correct Answer:
C
— 1024 GB
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Q. A hard disk drive (HDD) has a storage capacity of 1 TB. How many gigabytes is that?
A.
500 GB
B.
1000 GB
C.
1024 GB
D.
2048 GB
Show solution
Solution
1 TB = 1024 GB. Therefore, a 1 TB HDD has a capacity of 1024 GB.
Correct Answer:
C
— 1024 GB
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Q. A hard drive has a storage capacity of 1 TB. How many gigabytes is that?
A.
500 GB
B.
1000 GB
C.
1024 GB
D.
2048 GB
Show solution
Solution
1 TB = 1024 GB.
Correct Answer:
C
— 1024 GB
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Q. How many bits are there in a byte?
A.
4 bits
B.
8 bits
C.
16 bits
D.
32 bits
Show solution
Solution
There are 8 bits in a byte.
Correct Answer:
B
— 8 bits
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Q. If a computer has 8 GB of RAM, how many bytes does it have?
A.
8,000,000 bytes
B.
8,589,934,592 bytes
C.
8,192,000 bytes
D.
8,000,000,000 bytes
Show solution
Solution
1 GB = 1,073,741,824 bytes. Therefore, 8 GB = 8 * 1,073,741,824 = 8,589,934,592 bytes.
Correct Answer:
B
— 8,589,934,592 bytes
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Q. If a computer has 8 GB of RAM, how many bytes of data can it hold?
A.
8,000,000 bytes
B.
8,589,934,592 bytes
C.
8,192 bytes
D.
8,000,000,000 bytes
Show solution
Solution
1 GB = 1,073,741,824 bytes, so 8 GB = 8 * 1,073,741,824 = 8,589,934,592 bytes.
Correct Answer:
B
— 8,589,934,592 bytes
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Q. If a monitor has a resolution of 1920x1080, how many total pixels does it have?
A.
1,920,000 pixels
B.
2,073,600 pixels
C.
1,080,000 pixels
D.
2,000,000 pixels
Show solution
Solution
Total pixels = width * height = 1920 * 1080 = 2,073,600 pixels.
Correct Answer:
B
— 2,073,600 pixels
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Q. If a printer can print 20 pages per minute, how many pages can it print in 15 minutes?
A.
200 pages
B.
300 pages
C.
400 pages
D.
500 pages
Show solution
Solution
In 15 minutes, the printer can print 20 pages/minute * 15 minutes = 300 pages.
Correct Answer:
B
— 300 pages
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Q. What does the acronym 'USB' stand for? (2020)
A.
Universal Serial Bus
B.
Unified System Bus
C.
Universal Storage Bus
D.
Universal Signal Bus
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Solution
USB stands for Universal Serial Bus, which is a standard for connecting peripherals to a computer.
Correct Answer:
A
— Universal Serial Bus
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Q. What is the function of a power supply unit (PSU) in a computer?
A.
Store data
B.
Provide power
C.
Cool the system
D.
Connect peripherals
Show solution
Solution
The power supply unit (PSU) provides power to all components of the computer.
Correct Answer:
B
— Provide power
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Q. What is the main function of a power supply unit (PSU) in a computer? (2022)
A.
To cool the system
B.
To provide power to components
C.
To store data
D.
To connect peripherals
Show solution
Solution
The power supply unit (PSU) converts electrical power from an outlet into usable power for the computer's internal components.
Correct Answer:
B
— To provide power to components
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Q. What is the main purpose of a motherboard?
A.
Store data
B.
Connect all components
C.
Power the computer
D.
Input data
Show solution
Solution
The motherboard connects all components of a computer, allowing them to communicate with each other.
Correct Answer:
B
— Connect all components
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Q. What is the maximum data transfer rate of USB 3.0?
A.
480 Mbps
B.
5 Gbps
C.
10 Gbps
D.
20 Gbps
Show solution
Solution
USB 3.0 has a maximum data transfer rate of 5 Gbps (gigabits per second).
Correct Answer:
B
— 5 Gbps
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Q. What is the primary function of a CPU in a computer system? (2021)
A.
To store data
B.
To process instructions
C.
To display graphics
D.
To connect peripherals
Show solution
Solution
The CPU (Central Processing Unit) is responsible for processing instructions and executing commands in a computer system.
Correct Answer:
B
— To process instructions
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Q. What is the primary function of RAM in a computer?
A.
Store data permanently
B.
Execute programs
C.
Provide temporary storage
D.
Control peripherals
Show solution
Solution
RAM (Random Access Memory) provides temporary storage for data and programs that are currently in use.
Correct Answer:
C
— Provide temporary storage
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Q. What is the primary function of the CPU in a computer system?
A.
To store data permanently
B.
To process instructions
C.
To manage input and output devices
D.
To provide power to the system
Show solution
Solution
The CPU (Central Processing Unit) is responsible for processing instructions and executing commands in a computer system.
Correct Answer:
B
— To process instructions
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Q. What is the purpose of a graphics card in a computer? (2023)
A.
To manage system memory
B.
To enhance audio output
C.
To render images and videos
D.
To connect to the internet
Show solution
Solution
A graphics card is designed to render images and videos, providing better visual performance for gaming and graphic design.
Correct Answer:
C
— To render images and videos
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Q. What type of device is a keyboard?
A.
Input device
B.
Output device
C.
Storage device
D.
Network device
Show solution
Solution
A keyboard is an input device used to enter data into a computer.
Correct Answer:
A
— Input device
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Q. What type of device is a printer?
A.
Input device
B.
Output device
C.
Storage device
D.
Network device
Show solution
Solution
A printer is an output device that produces a physical copy of digital documents.
Correct Answer:
B
— Output device
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Q. What type of memory is used for temporary storage while a computer is running? (2019)
A.
ROM
B.
Flash Memory
C.
RAM
D.
Hard Drive
Show solution
Solution
RAM (Random Access Memory) is used for temporary storage of data that the CPU needs while the computer is running.
Correct Answer:
C
— RAM
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Q. Which component is responsible for converting digital signals to analog signals? (2022)
A.
Modem
B.
Router
C.
Switch
D.
Hub
Show solution
Solution
A modem (modulator-demodulator) converts digital signals from a computer into analog signals for transmission over telephone lines.
Correct Answer:
A
— Modem
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Q. Which component is responsible for rendering graphics in a computer?
A.
CPU
B.
GPU
C.
RAM
D.
Motherboard
Show solution
Solution
The GPU (Graphics Processing Unit) is responsible for rendering graphics and images in a computer.
Correct Answer:
B
— GPU
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Q. Which device is used to input data into a computer? (2019)
A.
Monitor
B.
Keyboard
C.
Printer
D.
Speaker
Show solution
Solution
A keyboard is an input device used to enter data and commands into a computer.
Correct Answer:
B
— Keyboard
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Q. Which of the following is a non-volatile storage device?
A.
RAM
B.
Cache
C.
SSD
D.
CPU
Show solution
Solution
An SSD (Solid State Drive) is a non-volatile storage device that retains data even when powered off.
Correct Answer:
C
— SSD
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Q. Which of the following is a type of solid-state storage?
A.
HDD
B.
SSD
C.
Floppy Disk
D.
CD-ROM
Show solution
Solution
SSD (Solid State Drive) is a type of solid-state storage that uses flash memory to store data.
Correct Answer:
B
— SSD
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Q. Which of the following is an example of a peripheral device?
A.
CPU
B.
RAM
C.
Scanner
D.
Motherboard
Show solution
Solution
A scanner is an example of a peripheral device that is used to input images and documents into a computer.
Correct Answer:
C
— Scanner
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Q. Which of the following is an example of an input/output device? (2023)
A.
Scanner
B.
Monitor
C.
Keyboard
D.
Mouse
Show solution
Solution
A scanner is an input/output device that can capture images and send them to a computer while also allowing for output in the form of printed documents.
Correct Answer:
A
— Scanner
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Q. Which of the following is considered a peripheral device? (2020)
A.
Motherboard
B.
RAM
C.
Printer
D.
CPU
Show solution
Solution
A printer is an external device that connects to a computer to produce a hard copy of documents, making it a peripheral device.
Correct Answer:
C
— Printer
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Q. Which of the following is considered the brain of the computer?
A.
RAM
B.
CPU
C.
Hard Drive
D.
Motherboard
Show solution
Solution
The CPU (Central Processing Unit) is known as the brain of the computer as it performs all the calculations and processing.
Correct Answer:
B
— CPU
Learn More →
Showing 1 to 30 of 33 (2 Pages)
Hardware Components & Peripherals MCQ & Objective Questions
Understanding Hardware Components & Peripherals is crucial for students preparing for school and competitive exams. This topic not only forms a significant part of the curriculum but also helps in developing a solid foundation in computer science. Practicing MCQs and objective questions on this subject can significantly enhance your exam preparation, ensuring you grasp important concepts and score better in your assessments.
What You Will Practise Here
Definitions and functions of various hardware components
Types of peripherals and their uses
Key concepts related to input and output devices
Understanding storage devices and their classifications
Diagrams illustrating hardware components and their connections
Important formulas related to data transfer rates
Common troubleshooting techniques for hardware issues
Exam Relevance
The topic of Hardware Components & Peripherals frequently appears in CBSE, State Boards, NEET, and JEE exams. Students can expect questions that assess their understanding of hardware functions, device classifications, and practical applications. Common question patterns include multiple-choice questions that test definitions, functions, and the ability to identify components based on descriptions or diagrams.
Common Mistakes Students Make
Confusing input devices with output devices
Misunderstanding the functions of different storage types
Overlooking the importance of data transfer rates in performance
Failing to relate hardware components to real-world applications
FAQs
Question: What are the main types of hardware components?Answer: The main types include input devices, output devices, storage devices, and processing units.
Question: How can I improve my understanding of Hardware Components & Peripherals?Answer: Regular practice of MCQs and reviewing important concepts will help solidify your understanding.
Now is the time to enhance your knowledge! Dive into our practice MCQs on Hardware Components & Peripherals and test your understanding. Remember, consistent practice is key to mastering this topic and excelling in your exams!
