Computer system components and functions pdf

The main function of input devices is to direct commands and data into computers. Parts of the computer basic components case or tower this is the plastic box that contains the computer. Computer hardware includes computer hardware includes 3 system unit 3 peripheral devices 3 input devices i. The system unit is the case the motherboard and other parts are installed in. Directs the manner and sequence in which all of the above operations are performed. Data can be in the form of numbers, words, actions, commands, etc.

Different computers are assembled differently, so it varies somewhat from one computer to another. Home premium 64bit operating system, an intel gma hd graphics card, a 500. The system unit system unit is case that has electronic components of the computer used to process data. It is complicated in the sense that each part in a modern system performs many more functions than did the same types of. These components help users enter data and commands into a computer system. It runs a program to test the hardware of the system. Any part that we can see or touch is the hard ware. Any digital computer carries out five functions in gross terms. Some of these are the hard drive, motherboard and the processor chip cpu. Computer components and specifications schoolworkhelper. Function of this basic electronic components is to store electrical charge in an electrical field diodes. Information stored on computer hardware is often called software. The necessary parts of the computer system and all connections between the computer system and the peripheral go through the motherboard. A computer is an electronic machine that processes data.

Housed in the case, you will find the floppy drive, cd rom drive, and the main components of the computer. Controls the flow of programs and data in and out of primary memory m ain memory. What are the four main components of a computer system. Peripherals are devices that connect to the system unit and is controlled by the processor in the computer. A computer is more than a highpowered collection of electronic devices performing a variety of information processing chores. System software is a set of programs that manage the resources of a compute system. The basic parts of a computer are shown in the picture given here. Computer hardware includes all the electrical, mechanical, and the electronic parts of a computer.

What are the functions of all the parts of a computer. There are five main hardware components in a computer system. External computer components connect to a computer system from outside. It contains three types of keys alphanumeric keys, special keys and function keys. Depending on your particular computer, you can connect a variety of devices to send information into it or out of it. These parts of the computer and some other devices are. A computer system unit is the enclosure that contains the main components of a computer.

The motherboard is the piece that ties all components of the computer together. Bios contains all the code required to control the keyboard, display screen, disk drives, serial communications, and a number of miscellaneous functions. Input devices used to get data into a computer output devices used to get information out of a computer. In this lesson you will learn about the main parts of a. Computer system concepts and components mba knowledge. Computer systems are currently built around at least one digital processing device. Components of the system unit university of nevada, las.

Pc components a computer system is a collection of electronic and mechanical devices operating as a unit. Most computer systems can potentially run any of several operating systems. A computer is a combination of hardware and software resources which integrate together and provides various functionalities to the user. A computer is a system, an interrelated combination of components that performs the basic system functions of input, processing, output, storage, and control, thus providing end users with a powerful information processing tool.

Show the various parts of a computer and explain their functions. A chip holding the startup routine for the computer system. Click here to see the desktop system these notes were originally prepared on. Five basic components of computer system bytenotes. Computer hardwareis the collection of physical elements that constitute a computer system. Electronic components function basic components parts. Other functions of the memory controller include a series of tasks that include.

Hardware are the physical components of a computer like the processor, memory devices, monitor, keyboard etc. The hardware are the parts of computer itself including the central processing unit cpu and related microchips and microcircuitry, keyboards, monitors, case and drives other extra parts called peripheral components or devices include mouse, pr. The set of instruction is presented to the computer in the form of raw data which is entered through input devices such as keyboard or mouse. Block diagram of computer system the computer system consists of mainly three types that are central processing unit cpu,input devices, and output devices. It is the physical, touchable, materials parts of a computer system. What are the four basic functions of a computer system. The central processing unit cpu again consists of alu arithmetic logic unit and control unit. System software is a collection of system programs that perform a variety of functions. The motherboard is the main circuit board of a computer. This unit contains devices with the help of which we enter data into the computer. Input devices these devices are used to get data into the computer system. It is also referred to as a computer case or tower. Everything in a computer system is connected to it the chipset is the glue that connects the cpu to the rest of the motherboard.

All of these components also can be integrated into allinone units, such as laptop computers. Mcq set2 components of computer gk objective question. Without the shopkeeper the shop could not function. Many other components are also included in computer systems in order to enable the aforementioned basic components to function properly. In a human body, all major decisions are taken by the brain and the other parts of the body function as directed by the brain.

Output is the function that allows a computer to display information, from the system, for the user. Hardware and software are the two basic parts of a computer system. Computer systems typically include a computer, monitor, keyboard, mouse and other optional components. Modems, disk drives, printers, scanners, keyboards. The hardware components of a computer system are the electronic and mechanical parts. Removable media is any type of storage device that can be removed from a computer while the system is running. Output devices for typical desktop computers, the processor, main memory, secondary memory, power supply, and supporting hardware are housed in a metal case. System software can be broadly classified into three types as. Components of a computer the five classic components of a. The major hardware components of a computer system are.

The fundamentals of computer systems design and organization are presented, and the conventional procedure for the xecution of computer programs is described. Circuit boards that can be inserted to add functionality to a computer system for example. Functions of major hardware components of a computer system. Schematic diagram of major parts of a simple computer. System software is responsible for controlling, integrating, and managing the individual hardware components of a computer system so that other software and. Computer hardware refers to the physical parts or components of a computer. System components pc components, features, and system. Read on to learn about the functions and components. Functions of major hardware components of a computer system author. Common input devices include mice touchpads on laptops, keyboards, and webcams, while output devices consist of monitors, printers, and speakers. The process of producing useful information or results for the user, such as a printed report or visual display. Computers, computer systems, components, hierarchy, memory, mass storage, peripherals, motherboard, microprocessor, cpu, pipeline, functional. The software components of a computer system are the data and the computer programs.

Touchscreens combine the functions of output and input. A motherboard or also know as system board, is the main circuit board of the system. A computer system is a set of integrated devices that input, output, process, and store data and information. About the basic parts of a computer with devices for kids. Components that conduct electricity in only one direction integrated circuits or ics. This can be accomplished through the monitor or other graphical display, printer, speakers. Mcq on components of computer are very useful for your upcoming govt competitive exam recruitment such as ssc, cgl, ias, upsc prelims, cds, mts, chsl, railway banking sbi po etc. A bus is a group of wires on the main circuit board of the computer. I will give you the basic parts of a standard desktop computer.

If a computer is not available, draw a diagram on the blackboard or distribute pictures. The chipset that is on the motherboard directs the flow of data between a variety of buses that are connected with each components and the main purpose is to make sure the information reaches where it is. Computer can also be defined in terms of functions it can perform. Directs the operation of components that process the data. It is simple in the sense that over the years, many of the components used to construct a system have become integrated with other components into fewer and fewer actual parts. Ane overview of the major features and interactions of the hardware and software components of modern computer systems is also included. What are the key components of a computer and their function. The four main components of a computer system are input devices, output devices, processing devices and the storage devices used to store data within the computer system. The circuits in the alu often are organized so that some or all of their inputs. A microelectronic computer electronic circuit incorporated into a chip or semiconductor. Input, processing, storage, output and communication devices. Computers then use their cpu to process this data and produce output. At the most basic level, a computer is a device consisting of three pieces. During the data processing stage, instruction sets, known as programs, are provided to let the system know what to do with the entered system data.

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