Basic Computer Hardware and Software - 1712 Words

The Basic Computer Hardware Central Processing Unit: The central unit is the basic part of the computer and includes all the main computer parts. It is the heart of the computer system. It is responsible for executing, or running the software. The software programs are translated into a series of codes made up of 1s to 0s that the CPU can understand. Every code means a certain operation should take place. A CPU has various discrete units to help it in these tasks for example there is an arithmetic and logic unit(ALU) that takes care of all the math and logical data comparisons that need to performed. A control register makes sure everything happens in the right sequence. The motherboard is the main circuit board inside the PC. All other†¦show more content†¦The data and programs can be read and used by the computer but cannot be altered. They are read only. It checks the computers won components to make sure that they are working properly. It loads programs referred to as BOOTING UP. Cache memory is a form of RAM that is very fast and expensive as compared to RAM. It is situated between the processor and main memory and is used to store frequently used or recently used program instructions. Input Devices Keyboard-Keyboards are perhaps the most common input devices used with personal computers. Keyboards are set in QWERTY layout just as a typewriter. In addition to the letters, numbers, and special characters of the typewriter, the computer keyboard also contains function keys (F1, F2, etc.), special keys (Ctrl, Alt, Home, Page Up, Insert, cursor keys, etc.) and often a numeric keypad. Function keys let you perform an activity with one keystroke. For example, most programs use function key F1 for help. Mouse-The mouse is used to control the position of the cursor on the screen and to make selections. It is easier with the mouse although you can do the same with a keyboard. The mouse is a small box with a ball built into the bottom and with two or three buttons on the top. The cursor can change shape depending on the task being performed. Nowadays mouse and keyboards do not have to be attached to the computers base unit. Some now useShow MoreRelatedHardware And Software Basics Plug1409 Words   |  6 PagesHardware and Software Basics Plug-In B3 There are two basic categories of information technology which are hardware and software. Hardware refers to the physical elements of a computer which is sometimes called the equipment of the computer which consists of the keyboard, disk drives, microprocessor, the monitor, the mouse, the processing unit, and many other physical parts. Most of a computer s hardware cannot be seen, it is not an external element of the computer, but an internal one surroundedRead MoreThe Digital Literacy Training Program Essay1623 Words   |  7 PagesGoals and Objectives The module served as an introduction to basic computer skills. All students completing this course will be able to operate a computer, familiarize themselves with computer terms, usage and get acquainted with core areas of computer software. The students will have a better working knowledge in regards to the concepts and techniques of computer operations. Students will be better prepared to enter into the labor market and or be better prepared for today’s employment demandsRead MoreWhat s An Operating System? Essay1552 Words   |  7 Pagesis a software program that enables the computer hardware to communicate and operate with the computer software. OS is the software that supports a computer s basic functions, such as scheduling tasks, executing applications, and controlling peripherals. It is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds of programs in computer/computer devices. 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