Fundamentals of Computer Hardware Devices

Computer Hardware Devices 
कंप्यूटर हार्डवेयर उपकरणों की बुनियादी बातें

That type of device which we can see and touch and which is physically present is called hardware device. 

FOR EXAMPLE 

SMPS
MOTHERBOARD
RAM
PROCESSOR
HARD DISK
CABINET
POWER CABLE

SMPS

SMPS is an electronic device. That supply power to different system components such as the motherboard hard drive. SMPS convert AC volt to DC volt and high volt to low volt and manage 
the flow of current.
MOTHER BOARD
Motherboard is a printed circuit board [PCB] that containing the principal components of a computer system. Such as processor socket RAM slot expansion slot etc
RAM
RAM (random access memory) is a computer temporary MEMORY.Where the operating system, application programs, and data in current use are kept the data in RAM stays there only as long as your
computer is running. When you turn OF the computer off, RAM loses its data.
PROCESSOR
Microprocessor is a multipurpose programmable logic device that read data form input device such as keyboard mouse in the form of binary instruction and then it process these instruction and send the processed information to the output device.
HARD DRIVE
Hard drive is the computer’s storage device that permanently stores all data on the computer. 
CABINATE
A computer cabinet is an enclosure with fitted, fixed or removable side panels and doors.
POWER CABLE
It is an external cable its use to power supply in a SMPS
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