30 Questions
What is the primary function of the Power Supply Unit (PSU) in a computer?
To provide a consistent and regulated power supply to the components
What type of devices allow users to input data and commands into the computer?
Input devices
What is the main advantage of Solid-State Drives (SSDs) over Hard Disk Drives (HDDs)?
Faster data access speeds
What is the primary purpose of peripheral devices in a computer system?
To enhance the functionality of the computer
What type of devices are used to store data and programs in a computer system?
Storage devices
What is the main difference between Hard Disk Drives (HDDs) and Solid-State Drives (SSDs)?
HDDs use spinning disks and magnetic heads to read and write data
What is the primary function of the most significant bit in the two's complement representation?
To indicate the sign of the number
What is the total number of possible characters that can be represented using ASCII?
128
What is the primary purpose of character encoding schemes such as ASCII?
To ensure consistent data processing and exchange
In which type of endianess system is the most significant byte stored at the lowest memory address?
Big-endian
What is the advantage of using two's complement representation for arithmetic operations?
It is more efficient for performing arithmetic operations
What is the term used to describe the order in which bytes are stored in computer memory?
Endianess
What is the primary goal of encapsulation in Object-Oriented Programming?
To provide data hiding and abstraction
What type of programming error occurs when the code violates the rules of the programming language?
Syntax error
Which of the following is a benefit of using Object-Oriented Programming?
Easier maintenance and code reuse
What technique involves examining the code for logical inconsistencies and potential errors?
Code review
What is the purpose of a class in Object-Oriented Programming?
To provide a blueprint for creating objects
What is the term for the ability of objects to interact with each other through well-defined interfaces?
Abstraction
What is the primary reason for computers using the binary system?
It aligns with the underlying electronic nature of computers
What is the purpose of converting numbers between different bases?
To provide a more compact representation of data
What is the benefit of using the two's complement method?
It allows for efficient arithmetic operations on signed numbers
What is the advantage of using hexadecimal in programming?
It provides a more compact representation of binary data
What is the process of converting binary to hexadecimal?
Grouping binary digits into sets of four and replacing each set with its corresponding hexadecimal digit
What is the primary factor in choosing a storage technology?
Balancing factors such as speed, capacity, and cost
What is the primary function of a subnet mask?
To determine the network address
At which layer of the network protocol stack does a switch operate?
Data link layer
What is the main difference between a switch and a router?
Switches are used for forwarding data packets within a network, while routers are used for forwarding data packets between networks
What is the purpose of IP addresses?
To enable devices to communicate with each other over the internet
What is the main function of a router?
To forward data packets between different networks
What are the two main types of IP addresses?
Private and public
Test your understanding of computer hardware components, including the Power Supply Unit (PSU) and peripheral devices, and their functions in a computer system.
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