MCQ on Basic Computer Organization – Computer GK
Useful and informative MCQ on Basic Computer Organization – Computer GK that includes topics like Input Unit, Output Unit, Storage Unit, Central Processing Unit (CPU) – Arithmetic Logic Unit (ALU) and Control Unit (CU), etc.
These MCQ on Basic Computer Organization – Computer GK are very helpful for competitive exams such as CPCT, GATE, IES/ESE, IBPS PO, IBPS Clerk, SBI PO, SBI Clerk, RBI, SEBI, LIC, NICL, BCA, B.Sc. IT, DCA, SSC, RRB, NIELIT CCC, CTET, UDC NET, CUET, MCA, PGDCA, MCS, TET, State Police, BPO, etc.
These MCQ on Basic Computer Organization – Computer GK have correct answers and brief explanations of each question for better understanding.
Q1. Which unit of a computer is responsible for receiving input data?
a) Input unit
b) Output unit
c) Storage unit
d) Arithmetic Logic Unit (ALU)
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Correct Answer: a) Input unit
Explanation: The input unit is responsible for receiving input data from various input devices, such as a keyboard, mouse, or scanner. It converts the input data into a format that can be processed by the computer.
Q2. Which unit of a computer is responsible for displaying or printing the processed data?
a) Input unit
b) Output unit
c) Storage unit
d) Arithmetic Logic Unit (ALU)
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Correct Answer: b) Output unit
Explanation: The output unit is responsible for displaying or printing the processed data on output devices, such as a monitor or printer. It converts the processed data into a format that can be easily understood by the user.
Q3. Which unit of a computer is responsible for storing data and instructions?
a) Input unit
b) Output unit
c) Storage unit
d) Arithmetic Logic Unit (ALU)
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Correct Answer: c) Storage unit
Explanation: The storage unit is responsible for storing data and instructions in the computer’s memory. It manages the storage and retrieval of data, ensuring that the computer has access to the necessary information for processing.
Q4. Which unit of a computer is responsible for performing arithmetic and logical operations?
a) Input unit
b) Output unit
c) Storage unit
d) Arithmetic Logic Unit (ALU)
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Correct Answer: d) Arithmetic Logic Unit (ALU)
Explanation: The Arithmetic Logic Unit (ALU) is responsible for performing arithmetic and logical operations on the data received from the input unit or storage unit. It processes the data according to the instructions provided by the control unit.
Q5. Which unit of a computer is responsible for controlling and coordinating the operations of other units?
a) Input unit
b) Output unit
c) Storage unit
d) Control Unit (CU)
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Correct Answer: d) Control Unit (CU)
Explanation: The Control Unit (CU) is responsible for controlling and coordinating the operations of other units within the computer. It manages the flow of data and instructions between the input, output, storage, and processing units.
Q6. Which of the following is the primary component of the Central Processing Unit (CPU)?
a) Input unit
b) Output unit
c) Arithmetic Logic Unit (ALU)
d) Control Unit (CU)
Show Answer
Correct Answer: c) Arithmetic Logic Unit (ALU) and d) Control Unit (CU)
Explanation: The Central Processing Unit (CPU) is the primary component responsible for processing data and instructions in a computer. It consists of two main components: the Arithmetic Logic Unit (ALU), which performs arithmetic and logical operations, and the Control Unit (CU), which manages the flow of data and instructions between other units.
Q7. What is the main function of the Central Processing Unit (CPU)?
a) Receiving input data
b) Displaying output data
c) Storing data and instructions
d) Processing data and instructions
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Correct Answer: d) Processing data and instructions
Explanation: The main function of the Central Processing Unit (CPU) is to process data and instructions. It performs arithmetic and logical operations on the data and coordinates the operations of other units within the computer system.
Q8. Which of the following is a key component of the system concept in computer organization?
a) Input unit
b) Output unit
c) Central Processing Unit (CPU)
d) All of the above
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Correct Answer: d) All of the above
Explanation: The system concept in computer organization refers to the idea that a computer is a system composed of various interconnected units, including the input unit, output unit, storage unit, and Central Processing Unit (CPU). These units work together to process data and instructions, providing the desired output to the user.
Q9. What is the primary purpose of the input unit in a computer system?
a) To process data and instructions
b) To store data and instructions
c) To receive input data from the user
d) To display output data to the user
Show Answer
Correct Answer: c) To receive input data from the user
Explanation: The primary purpose of the input unit in a computer system is to receive input data from the user through various input devices, such as a keyboard, mouse, or scanner. It converts the input data into a format that can be processed by the computer.
Q10. What is the primary purpose of the output unit in a computer system?
a) To process data and instructions
b) To store data and instructions
c) To receive input data from the user
d) To display output data to the user
Show Answer
Correct Answer: d) To display output data to the user
Explanation: The primary purpose of the output unit in a computer system is to display or print the processed data on output devices, such as a monitor or printer. It converts the processed data into a format that can be easily understood by the user.
More MCQ on Computer GK for Competitive Exams
- Introduction to Computer
- Basic Computer Organization
- Number Systems
- Computer Codes
- Processor and Memory
- Secondary Storage Devices
- Input and Output Devices
- Computer Software
- Flowchart and Computer Languages
- System Implementation
- Operating Systems
- Application Software Packages
- Business Data Processing
- Communications and Networks
- Internet Concepts and IoT
- Multimedia and File Extensions
- Classification of Computers
- Cyber Safety and Cyber Crime
- Computer Viruses and Security
- Basic Computer Shortcut Keys
- Shortcut Keys for Windows
- Shortcut Keys for MS Excel
- Shortcut Keys for MS Word
- Computer Abbreviations Set 1
- Computer Abbreviations Set 2
- Computer Abbreviations Set 3
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