A computer is an electronic device that can perform mathematical, logical, and graphical operations. It consists of both hardware and software components. The hardware includes input devices like keyboards and mice, processing devices like the CPU and memory, and output devices like monitors and printers. The software includes programs like operating systems and applications. A computer takes in data as input, processes it, and produces output in the form of information or results. Computers have various applications in areas like banking, transportation, education and more. They provide benefits like speed, accuracy, storage and automation but lack intelligence and common sense.
14. What is Hardware ?
All electronic parts of computer that we can
touch and feel are called hardware.
Such as-
Keyboard
Mouse
Monitor
Printer
15. What is Software ?
The set of instruction is called a program and
a set of interlinked program is called
software. Such as-
Ms Power Point
Ms Word
Ms Excel
Ms Paint
16. What is a User ?
A person who uses computer is called a
user.
17. Keyboard Motherboard Monitor Floppy Disk
Mouse CPU Printer CD
Scanner Video Card Speaker DVD
Microphone Sound Card Hard Disk
Web Camera Pen Drive
HARDWARE
INPUT DEVICE PROCESS DEVICE OUTPUT DEVICES MEMORY DEVICES
18. INPUT DEVICES
Devices which provide data and instructions to the
computer are called input devices. Such as –
Keyboard
Mouse
Scanner
Microphone
Web Camera
25. Parts of C.P.U
CU is responsible for ALU is responsible
controlling all hardware for all arithmetic
operations. and logical operations
C.P.U
CU
(Control Unit)
ALU
(Arithmetic & Logical Unit)