MCQ on Basic Computer Organization – Computer GK
Useful and informative MCQ on Basic Computer Organization 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 have correct answers and brief explanations of each question for better understanding.
Q21. 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.
Q22. 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.
Q23. Which unit of a computer system is responsible for performing arithmetic and logical operations?
a) Input unit
b) Output unit
c) Storage unit
d) Arithmetic Logic Unit (ALU)
Show Answer
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.
Q24. Which unit of a computer system is responsible for managing the flow of data and instructions between other units?
a) Input unit
b) Output unit
c) Storage unit
d) Control Unit (CU)
Show Answer
Correct Answer: d) Control Unit (CU)
Explanation: The Control Unit (CU) is responsible for managing the flow of data and instructions between the input, output, storage, and processing units. It controls and coordinates the operations of other units within the computer system.
Q25. What is the main function of the storage unit in a computer system?
a) Receiving input data
b) Displaying output data
c) Storing data and instructions
d) Processing data and instructions
Show Answer
Correct Answer: c) Storing data and instructions
Explanation: The main function of the storage unit in a computer system is to store 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.
Q26. Which of the following is NOT a function of the Central Processing Unit (CPU) in a computer system?
a) Receiving input data
b) Displaying output data
c) Storing data and instructions
d) Processing data and instructions
Show Answer
Correct Answer: a) Receiving input data
Explanation: The main function of the Central Processing Unit (CPU) in a computer system is to process data and instructions. Receiving input data is a function of the input unit, not the CPU.
Q27. What is the primary purpose of the Central Processing Unit (CPU) 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) Pottery
Explanation: Inscriptions, coins, and manuscripts are all sources of Ancient Indian history, but pottery is not considered a significant source.
Q28. 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.
Q29. What is the primary function 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 function 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.
Q30. What is the primary function 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 function 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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