Q91. What is the main function of a “processor” or “CPU” in a computer?
a) To provide long-term data storage
b) To execute instructions and process data
c) To manage network connections
d) To handle user input
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Correct Answer: b) To execute instructions and process data
Explanation: The CPU (Central Processing Unit) is responsible for executing instructions, processing data, and performing calculations required by applications and the operating system.
Q92. What does “data normalization” involve in database management?
a) Ensuring data consistency across different systems
b) Reducing data redundancy and improving data integrity
c) Encrypting data for security
d) Backing up data regularly
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Q94. What does “software maintenance” generally include?
a) Replacing hardware components
b) Updating and fixing software to ensure it remains functional
c) Designing new software
d) Managing network security
Q93. Which of the following is a type of network topology?
a) Graphical
b) Circular
c) Star
d) Structured
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Correct Answer: c) Star
Explanation: Star topology is a network topology where all devices are connected to a central hub or switch, allowing for efficient data transmission and management.
Q94. What does “software maintenance” generally include?
a) Replacing hardware components
b) Updating and fixing software to ensure it remains functional
c) Designing new software
d) Managing network security
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Correct Answer: b) Updating and fixing software to ensure it remains functional
Explanation: Software maintenance involves regular updates, bug fixes, and improvements to ensure software continues to function correctly and efficiently.
Q95. What is the purpose of a “BIOS” in a computer?
a) To manage network traffic
b) To provide an interface for user input
c) To initialize hardware components and load the operating system
d) To store application data
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Correct Answer: c) To initialize hardware components and load the operating system
Explanation: The BIOS (Basic Input/Output System) initializes and tests hardware components during the startup process and loads the operating system.
Q96. What is “data mining”?
a) The process of encrypting data for security
b) The process of analyzing large datasets to find patterns and insights
c) The process of backing up data
d) The process of compressing files
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Correct Answer: b) The process of analyzing large datasets to find patterns and insights
Explanation: Data mining involves analyzing large volumes of data to discover patterns, correlations, and insights that can inform decision-making.
Q97. What does “system integration” refer to?
a) Combining hardware and software components to work together as a unified system
b) Upgrading individual hardware components
c) Encrypting system data
d) Creating user interfaces
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Correct Answer: a) Combining hardware and software components to work together as a unified system
Explanation: System integration involves connecting and coordinating hardware and software components to ensure they function together seamlessly within a computer system.
Q98. Which of the following is an example of a web-based application?
a) Microsoft Word
b) Adobe Photoshop
c) Google Docs
d) Notepad
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Correct Answer: c) Google Docs
Explanation: Google Docs is a web-based application that allows users to create, edit, and collaborate on documents online through a web browser.
Q99. What is the main advantage of “open-source software”?
a) It is available at no cost and can be modified by anyone
b) It offers guaranteed customer support
c) It is only compatible with specific hardware
d) It is pre-installed on all computers
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Correct Answer: a) It is available at no cost and can be modified by anyone
Explanation: Open-source software is free to use and modify, allowing users to access and customize the source code according to their needs.
Q100. What does “system resource management” involve?
a) Monitoring and optimizing the use of hardware and software resources
b) Installing new hardware components
c) Creating and editing software applications
d) Designing network infrastructures
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Correct Answer: a) Monitoring and optimizing the use of hardware and software resources
Explanation: System resource management involves overseeing and optimizing the allocation and usage of hardware and software resources to ensure efficient system performance.