tle grade 10

• The first input device developed for the PC is the keyboard.
• A touch screen display screen that is sensitive to the touch of a Finger or Stylus is used in myriad applications, including ATM machines retail point-of-sale terminals, car navigation and Industrial Controls.
• The touch screen became wildly popular For smartphone and Files tablets.
• An external drive is a device used to store Files and capable and capable of transfering as file to a computer.
• The main circuit board of a computer is called the motherboard.
• The CPU is the processor IS the main "brain" or "heart" Of a computer system.
• The CPU performs all of the instructions and Calculations that are needed and manages the Flow of information Through a computer.
• Primary storage (internal storage, main memory or memory) is the Computer's working storage space that holds data, instructions For Processing and processed data (information) waiting to be sent to secondary Storage Physically primary storage is a collection OF RAM RA Chips.
• RAM is volatile, meaning it holds data only when the power is on when the power is OFF, RAM'S contents are lost when the power is turned off.
• Adapters, also known as interface cards, are printed-circuit boards that enable the computer to use a peripheral device for which it does not have the necessary Connections or circuit boards.
• Adapters are often used to permit upgrading to a new different hardware.
• The power supply unit is installed in the back corner of the Pc case next to the motherboard.
• The power supply unit converts standard house power into DC voltage that are used by other Components in the PC.
• A hard disk drive also known as hard drive, is a magnetic storage device that is installed inside the computer the hard drive is used as permanent storage For data.