Q1: What is a computer?
A: A computer is an electronic device that takes input data, processes it, and produces output.
Q2: What are the main parts of a computer?
A: The three main parts are:
Input Devices: Keyboard, Mouse, Scanner
CPU (Central Processing Unit): Control Unit, ALU, Memory
Output Devices: Monitor, Printer, Speaker
Q3: What are the parts of CPU?
A:
ALU (Arithmetic Logic Unit): Performs calculations and logical operations
CU (Control Unit): Controls the flow of data and instructions
Memory Unit: Stores data and instructions
Q4: What are the types of computers?
A:
Desktop
Laptop
Tablet
Supercomputer
Q5: What are the features of a computer?
A:
High speed
Accuracy
Large storage capacity
Doesn’t get tired
Q6: What is software?
A: Software is a set of programs or instructions that tell the computer how to perform tasks.
Q7: What is hardware?
A: Hardware refers to the physical components of a computer like CPU, Monitor, Keyboard, Mouse.
Q8: What is an operating system?
A: An operating system (OS) is software that manages computer hardware and provides services for application software.
Examples: Windows, Linux, macOS
Q9: What are input devices?
A: Input devices are devices used to enter data into a computer.
Examples: Keyboard, Mouse, Scanner
Q10: What are output devices?
A: Output devices are devices that display or give the processed data to the user.
Examples: Monitor, Printer, Speaker