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Read more Computer notes! Parts that were once hand made at a cost of thousands of man-hours are now mass produced for computer motherboard types pdf download fraction of a rupee. The memory from which we can only read but cannot write on it. It consists of keys that are capable of inputting alphabets, numbers and special characters.
Primary memory is memory that is part of the computer itself and necessary for its functioning. Computer motherboard types pdf download impact printers print the characters by striking them on the ribbon which is then pressed on the paper. Secondary Storage External Storage Devices Floppy diskettes, hard disk, tapes and optical disks come under the category of external storage devices or ancillary storage devices.
It can be used to create presentation-charts, graphics, tables and high quality technical computer motherboard types pdf download. A Keyboard The most common and very popular input device which helps in inputting data to the computer. Typex is a device used to move cursor position on a monitor screen. These printers print a complete page at a time so they are also called as Page Printers. Some of them are described below.
The ALU thinks in bits i. The MROM cannot be programmed by the user. The seeming miles of wires that get tangled on your desk, the CD drive, the monitor are all hardware. Here are the most used mothefboard of peripheral devices:.
This plotter has the ability to produce colour pictures. Information on a floppy disk is recorded in the magnetized states of particles of iron oxides evenly placed upon concentric circles known as tracks. A ROM, stores such instructions that are required computer motherboard types pdf download start a computer.
This operation is referred to as bootstrap. A type of physical memory used in most personal computers. The carriage with the pens moves horizontally over the paper. A scanner allows you to scan printed material and convert it into a file format that may be used within the PC. The term dynamic indicates that the memory must be constantly refreshed or it loses its contents.
These are used to hold computer motherboard types pdf download data binary information that are being processed by the current instruction. The paper is placed over the drum that rotates back and forth.
It is a non-removable enclosed magnetic disk included in most PCs.
There are two types of plotter. This is plastic tape, usually made of Mylar that is coated downnload iron oxide, thereby enabling the introduction writing ; retention memory and reading of magnetically recorded information. There are different types of RAM available.
Basic Computer Hardware Notes in PDF – Testbook Blog
The sharpness of the image depends upon the number of pixels. Here are the most used types of peripheral devices: Laser Computer motherboard types pdf download, Inkjet Printers. Inkjet plotters can also produce large drawings with different colours. A plotter gives a hard copy of the output. The term static is derived from the fact that it does not need to be refreshed like DRAM.
Computer 01 | Advanced Micro Devices | Central Processing Unit
A carriage holding one or more pens is mounted horizontally across the drum. The CPU is considered the brain of the computer.
Peripheral devices are devices connected to the computer externally. It is made up of a group of memory locations built directly into the CPU called registers. It performs all types of data processing operations, stores data, intermediate results and instructions program.
The Major Motherboard Components and Their Functions
Non-impact printers print the characters without using ribbon. A type of DRAM that has a much higher processing speed. EPROM is erased by exposing it to ultra-violet light for a downlkad of up to 40 minutes.