Basic computer hardware notes

F Scanner A scanner allows you to scan printed material and convert it into a file format that may be used within the PC.

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Computer hardware components

Here are the most used types of peripheral devices: A Keyboard The most common and very popular input device which helps in inputting data to the computer. For example, first each of the parts are taken apart then all of the inner parts get separated and placed into its own bin. Both companies will take back the computer of their make or any other make. Internally, there are several ports for connecting disk drives, monitors, and keyboards. The seeming miles of wires that get tangled on your desk, the CD drive, the monitor are all hardware. You're working on a doc, then power goes out and you lose your work vs. You can help by adding to it. Flat Bed Plotter: In flat bed plotter, the paper does not move. You can also navigate using the keyboard and perform shortcut functions. The file system in effect gives the user a name and probably an icon for a block of data bytes, and allows the user to perform operations on that data, like move it or copy it or open it with a program. Supercomputers typically run military and scientific applications.

It controls the operation of all parts of computer. Step 3 - Sum the products calculated in Step 2. Motherboard: The motherboard serves as a single platform to connect all of the parts of a computer together.

Parts of computer hardware and its function

This describes a design architecture for an electronic digital computer with parts consisting of a processing unit containing an arithmetic logic unit and processor registers; a control unit containing an instruction register and program counter; both data and instructions; a memory to store external mass storage; and input and output mechanisms. It consists of keys that are capable of inputting alphabets, numbers and special characters. Flat Bed Plotter: In flat bed plotter, the paper does not move. USB flash drives are typically removable and rewritable, and physically much smaller than an optical disc. These printers print a complete page at a time so they are also called as Page Printers. Here are the most used types of peripheral devices: A Keyboard The most common and very popular input device which helps in inputting data to the computer. This operation is referred to as bootstrap. Some military areas where a computer has been used are: Missile Control Military Communication Military Operation and Planning Smart Weapons Communication Communication means to convey a message, an idea, a picture or speech that is received and understood clearly and correctly by the person for whom it is meant for. It can be erased and reprogrammed about ten thousand times. Here is the flat "motherboard", a little smaller than a 8. It broke, and so became a classroom example. It contains lead and chromium in the metal plates.

Objectives of Operating System To make a computer system convenient to use in an efficient manner To hide the details of the hardware resources from the users To provide users a convenient interface to use the computer system To act as an intermediary between the hardware and its users and making it easier for the users to access and use other resources To manage the resources of a computer system To keep track of who is using which resource, granting resource requests, according for resource using and mediating conflicting requests from different programs and users To provide efficient and fair sharing of resources among users and programs 13 User Applications Operating System Hardware Characteristics of Operating System Memory Management -- keeps tracks of primary memory i.

Windows is a software, so is any other program that runs on your computer.

computer hardware basics

The growth was the fastest sales increase since the end of the recession. Save Computer Awareness is tested in almost every exam. This unit is a link between computer and users.

List of computer hardware and software

Download as PDF for revision later. G Plotter A plotter is used to create high-quality visuals on paper. There are two types of plotter. More system and application software is indicated in the tray at the bottom. Primary memory and secondary memory are two types of memories in the computer. Supercomputers typically run military and scientific applications. These are used to hold the data binary information that are being processed by the current instruction. When e-waste byproducts leach into ground water, are burned, or get mishandled during recycling, it causes harm. Device Management -- keeps track of all devices. The growth was the fastest sales increase since the end of the recession. There are different types of RAM available. Functions of this unit are: It is responsible for controlling the transfer of data and instructions among other units of a computer. For example, a user could perform a hardware upgrade to replace the hard drive with a SSD to get a boost in performance or increase the amount of files that may be stored. Impact Printers: The impact printers print the characters by striking them on the ribbon which is then pressed on the paper.

Volatile means that the data stored in memory is lost when we switch off the computer or if there is a power failure. The operating system supports USB as well, so the installation of the device drives is quick and easy, too.

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Computer Basics