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When a computer is switched on, the power supply is taken out of standby mode and runs up to full power mode. Voltage is applied to the motherboard and peripheral units. At the same time a reset pulse is applied to the motherboard. This will start the Central Processor Unit, which applies clock pulses to the onboard chips.
On the motherboard the BIOS chip starts its program.
The BIOS checks the available amount of memory and checks that the keyboard and mouse are connected. This is known as the POST (Power On Self Test).
It then checks for available long term memory storage, such as disk drives and removable drives.
Depending on how it is set up, it will choose a drive and check whether a valid operating system is available.
If an operating system is available and bootable, this program will now run.
Control is now taken over by the O/S on the drive.
What happens next will depend on the O/S installed.
What else can I help you with?
Basic operation performed by computer?
airthmetic, logical and storage operations
Five Basic operation of a computer system?
ParticipantsProceduresDataHardwareSoftware
What is that called on which an operation is performed?
If you are asking in terms of computers then an operation is performed on an operand.
When is it okay to touch the inside of a computer that is turned on?
It is generally not safe to touch the inside of a computer while it is turned on. Doing so can expose you to electric shock, damage sensitive components, or disrupt the computer's operation. If you need to perform maintenance or troubleshooting, always turn off and unplug the computer first. Additionally, ensure you are grounded to avoid static discharge, which can harm the hardware.
What is idempotent operation?
An operation which when performed multiple times, has no further effect on Its subject after the first time it is performed. - Nacolepsy
What is the converse If your computer screen is turned on then you will see pictures?
If you see pictures, then your computer screen is turned on.
What is the meaning of data types?
Operand data type is one of the two components of computer language and expressions. It is the manipulated object or the instruction that specifies which operation is to be performed.
What is active operation?
An active operation is one that is currently being performed.
Which layer controls the operation of Subnet in computer networks?
The Network Layer controls the operation of Subnet in computer networks.
What operation can be performed on pointers?
Examples: * [] -> = ==,<=,<,!=,>=,> +,+=,-,-=
What is the meaning of operand data type?
Operand data type is one of the two components of computer language and expressions. It is the manipulated object or the instruction that specifies which operation is to be performed.
What is a computer when it is turned on and the operating system is being loaded?
A computer is loading data when it is turned on and the operating system is being loaded.
