
Computer - Input Devices
- Keyboard Keyboard is the most common and very popular input device which helps to input data to the computer. ...
- Mouse Mouse is the most popular pointing device. ...
- Joystick Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. ...
- Light Pen Light pen is a pointing device similar to a pen. ...
- Track Ball ...
- Scanner ...
- Digitizer ...
- Microphone ...
What are four types of outputs from a computer?
Output Devices of Computer – 4 Devices and their Types Complete
- Difference between Input and Output Devices of Computer. ...
- List of Output Devices of Computer. ...
- Monitor. ...
- Printer. ...
- Plotter (Less common among the Output Devices of Computer) Plotters are the output devices of the computer that produce a large size hardcopy output. ...
- Speaker. ...
- Other than the list of Output Devices of Computer. ...
What are 5 input devices of a computer?
Input devices mainly include: keyboard, mouse, camera, scanner, light pen, handwriting input board, game bar, voice input device (microphone), etc. Output devices, Output devices (the Output Device) is the terminal equipment of computer hardware system, used to receive the Output of the computer data display, print, voice, control peripheral equipment operation, etc., are also used for various calculation results of the data or information in the form of Numbers, characters, images, sound, etc.
What are the input devices of a PC?
Examples of Input Devices
- Keyboard. The keyboard is one of the primary input devices, which helps in entering data and commands in a computer.
- Mouse. A mouse is the most common and very popular pointing device that helps interact with a computer through a process called 'point and click'.
- Joystick. ...
- Touchpad. ...
- Light Pen. ...
- Track Ball. ...
- Scanner. ...
- Graphic Tablet. ...
- Stylus. ...
- Touchscreen. ...
What is the primary input device of a computer?
Input devices:
- Keyboard.
- Mouse.
- Trackpad.
- Touch screen.
- Camera.
- Microphone.
- CD/DVD Drive.
- Scanner.
- 3D Manipulator.

What are the input and output components of a computer?
Keyboards, mouse, scanners, etc are some of the input devices while printers, monitors, headphones, etc are some of the output devices. Another important element of a hardware system is computer memory.
What are the output components of a computer?
Output devicesMonitor - The main output device of a computer. ... Printer - Used to print information on paper. ... Speaker - Converts digital signals into audible sound waves.Projector - A device that is used to project video output from the computer onto a wall or screen.
What are the 14 input devices?
Input DevicesKeyboard.Mouse.Scanner.Joystick.Light Pen.Digitizer.Microphone.Magnetic Ink Character Recognition (MICR)More items...
Is CPU input or output?
The CPU is also known as the processor or microprocessor. The CPU is responsible for executing a sequence of stored instructions called a program . This program will take inputs from an input device, process the input in some way and output the results to an output device .
What are the 10 examples of input devices?
Computer GraphicsKeyboard.Mouse.Joy Stick.Light pen.Track Ball.Scanner.Graphic Tablet.Microphone.More items...
What are 20 examples of output devices?
OUTPUT DEVICES:Monitor (LED, LCD, CRT etc)Printers (all types)Plotters.Projector.LCD Projection Panels.Computer Output Microfilm (COM)Speaker(s)Head Phone.More items...•
What are 15 input devices?
The most important computer input devices are keyboard, mouse, light pen, scanner, punch card reader, gamepad, graphics tablet, webcam, MICR, OCR, and OMR.
What are 5 latest input devices?
PicturesMouse.Keyboard.Joystick.Microphone.Touchpad.Light Pen.Trackball.Barcode Reader.More items...
What three parts of a computer can produce output?
What are the output devices of my computer? Every computer has a monitor, an audio adapter, and a GPU (either onboard or discrete). Each of these is an output device.
What are the 7 major components of a computer?
This Blog Includes:Motherboard.Input Unit.Output Unit.Central Processing Unit (CPU)Graphics Processing Unit (GPU)Random Access Memory (RAM)Storage Unit.
What are the 4 main components of a computer?
Central Processing Unit (CPU) Memory Unit. Control Unit. Arithmetic and Logical Unit.
What three parts of a computer can accept output?
The monitor, printer, and modem are output devices.
A computer involves how many types of memory?
A computer comprises two types of memory. One is Random Access Memory also known as RAM and the other is Read-Only Memory also known as ROM.
What are the three major parts of the CPU?
The three major parts of the CPU are: Memory or Storage Unit Control Unit ALU (Arithmetic Logic Unit)
The Mathematical and logical functions are carried out by which unit of CPU?
The Mathematical and logical functions are carried out under theArithmetic Logic Unit i.e ALU.
What are the operations performed by the ALU?
ALU performs all types of arithmetic operations(addition, subtraction, multiplication, etc) and logical operations(greater than, less than, equal t...
What are the 3 fundamental components of a computer?
It is generally formed of three major elements: Input Unit, Output Unit, CPU(Central processing unit).
What is the most common input device?
Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions.
What are the keys on a keyboard?
The keys on the keyboard are as follows −. S.No. Keys & Description. 1. Typing Keys. These keys include the letter keys (A-Z) and digit keys (09) which generally give the same layout as that of typewriters. 2. Numeric Keypad. It is used to enter the numeric data or cursor movement.
What is the left and right button on a computer?
Generally, it has two buttons called the left and the right button and a wheel is present between the buttons. A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the computer.
How many keys are in a calculator?
Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. Each function key has a unique meaning and is used for some specific purpose.
What is bar coded data?
Bar coded data is generally used in labelling goods, numbering the books, etc. It may be a handheld scanner or may be embedded in a stationary scanner. Bar Code Reader scans a bar code image, converts it into an alphanumeric value, which is then fed to the computer that the bar code reader is connected to.
What is a microphone?
Microphone is an input device to input sound that is then stored in a digital form. The microphone is used for various applications such as adding sound to a multimedia presentation or for mixing music.
When is a scanner used?
It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation. Scanner captures images from the source which are then converted into a digital form that can be stored on the disk. These images can be edited before they are printed.
What are the components of a computer system?
There are three basic components which include: Input Unit. Output Unit. CPU (Central processing unit)
What is input device?
The input devices transform the information into a form acceptable by the computer. Data can be in the form of numbers, actions, words, directions, instructions etc. Computers then practice their CPU to process this data and deliver output. For instance, a computer keyboard is an input unit that enters symbols, numbers and characters.
What is the main memory?
It is also referred to as an internal storage unit or most commonly, the main memory or the primary storage or Random Access Memory (RAM). It comes in various speeds, power, and capability. Primary memory and secondary memory are two important types of memories used in the computer system.
What is the purpose of a CPU?
CPU facilitates all types of data processing operations. It saves data, intermediate results, and instructions (program). It handles the operating of all parts of the computer. The CPU itself has the following three components. Memory or Storage Unit. Control Unit.
What is the central processing unit?
The Central Processing Unit or CPU is also known as the brain of the computer. CPU executes all types of data processing functions. It saves data/intermediate results/instructions (program) and controls the operation of all parts of the computer. Following are the points to remember for Central Processing Unit (CPU):
What is the logical structure of a computer?
All types of computers follow the same basic logical structure as follows: Take Input->This is the method of inserting data and instructions into the computer system. Store Data->Collecting data and instructions so that they are ready for processing as and when needed.
What is the CPU?
CPU (Central processing unit) While there are additional components as well, these three are primarily accountable for making a computer function. Hence, these are also called building blocks of a computer system. All types of computers follow the same basic logical structure as follows:
What are the components of a computer?
There are five basic components which include: Input Unit. Output Unit. Memory Unit. Control Unit. Arithmetical and Logical Unit. To have a better understanding of the Fundamentals of Computer, ...
What is the output of a computer?
When we command a computer to perform a task, it reverts back for the action performed and gives us a result. This result is called output. There are various output devices connected to the computer. The most basic of which is a monitor. Whatever we write using a keyboard or click using a mouse, is all displayed on the monitor.
What is a computer device?
A computer device is made up of various elements which help in its effective functioning and processing. There are five basic components of the computer which help in making this processing of data easier and convenient.
What is the main processing unit of a computer?
Thus, CPU is the main processing unit of the computer. Also, while discussing the various components of computers, it must be known that a device which is so complex and intricately made using circuits and wires comprises various other elements which affects its overall programming and performance.
What is the central processing unit?
The Central Processing Unit is the core of any computer devices. It comprises of three major components of the computer which have been discussed above: Memory Unit. Control Unit. Arithmetic and Logical Unit. All these three units are elements of CPU and together help in the efficient working and processing of data.
What is the control unit?
The Control Unit collects the data entered using the input unit, leads it on for processing and once that is done, receives the output and presents it to the user. It can be said to the centre of all processing actions taking place inside a computer device.
Why is understanding the computer system important?
Since the computers (in various forms) have become a part of everyday life, understanding these components of a computer system is important for everyone. As for Government exam aspirants, questions based on these may be asked in the form of multiple-choice questions in the final exam. Thus, preparing yourselves accordingly is also important.
What are the components of a computer?
Components of Computers can be defined as the various vital elements of the computer system that makes the device fully functional and to run without any procedural troubles. It is typically referred to the basic hardware units that complete the structural architecture of the computer system. It is important to notice that the device does not work normally even if any one of the components is missed or not working as per the fundamental computer architecture. Every computer should have these essential components placed inside them, in order to be qualified for the instrument to be called as a computer system.
What is input unit?
The input unit is the beginning of the computation process where the process completely involves the user interaction, as this component is responsible for capturing the input from the user so as to command or instruct the other components of the computer. This process gives a lead to the computer on what to work and lets the next component to decide on how to brew up the results for the given input. There are multiple input devices available for performing this activity, and it depends on the type of input required for specific tasks.
What is the input device for gaming?
Mouse: Mouse is another commonly used input device that is used for pointing and clicking, which comes with a scroll wheel for scrolling through the display and a couple of buttons for selection purposes. Joystick: Joystick is an input device that is used for sending out commands for the gaming processes carried out in the computer system.
What is the central processing unit?
The Central Processing Unit is commonly referred to as the CPU that is generally used for fetching the input data or instructions from the input units and converting the unprocessed input data into a machine-readable format, which makes it easy for the computer to carry out the processing activities .
What is the most intricate unit in the processing component of a computer system?
Control Unit: This is the most intricate unit in the processing component of the computer system, which accepts the raw data from the input components, and carries out the activities in a controlled format, in accordance to the directions provided by the computer operators. This is another unit of hardware module located inside the central processing unit.
What is the purpose of a computer monitor?
Monitors: The computer monitors are responsible for displaying the results received after processing and completing all the operations in the central processing unit. The technology in designing the display devices have evolved from monochrome monitors to colored monitors to the latest LED/ LCD displays.
What is touch screen?
Touch Screen: Touch Screens are the latest advancement for sending out inputs to the computing devices, where the user just has to use the touch sensible screens to instruct the computer. The touch-action can be performed by a dedicated pen-like device called ‘Stylus’, or even by using the user’s fingertips.
What are the main components of a computer?
The main things that comprise a computer are – motherboard, CPU, GPU, RAM and Hard disk drive for the storage of all the data. We will discuss all these components of the computer in detail below –
What are the components of a CPU?
The 3 main components of the CPU are the memory unit, control unit and arithmetic and logical unit. This was all about the components of a computer.
How do computers respond to commands?
Computers respond to commands given to them in the form of numbers, alphabets, images etc. through input units or devices like – keyboard, joystick etc. These inputs are then processed and converted to computer language and then the response is the output in the language that we understand or the one we have programmed the computer with.
What is the purpose of a motherboard?
Motherboard is a circuit board through which all the different components of a computer communicate and it keeps everything together. The input and output devices are plugged into the motherboard for function.
What is the result of a command we provide the computer with through the input device called?
The result of the command we provide the computer with through the input device is called the output . The most used is the monitor since we give commands using the keyboard and after the processing the result or outcome is displayed on the monitor.
What is a computer?
A computer is a machine that is made up of various parts or components which help it in carrying out instructions which are in the form of arithmetic commands or different algorithms for it to process. Computers are used in almost every field like medicine, travel, education, entertainment, etc. It has made our work way easier than ever before.
What is the purpose of GPU in a computer?
Another vital component of the computer is GPU. The Graphic Processing Unit or the video card helps generate high end visuals like the ones in video games. Good graphics like these are also helpful for people who have to execute their work through images like 3D modelers and others who use resource intensive software. It generally communicates directly with the monitor.
What is an input unit for a laptop?
For example, a laptop’s keyboard is an input unit that enters numbers and characters. Similarly, even a mouse can be an input unit for entering directions and commands. Other examples include barcode readers, Magnetic Ink Character Readers (MICR), Optical Character Readers (OCR), etc.
What is the function of input devices?
Data can be in the form of numbers, words, actions, commands, etc. The main function of input devices is to direct commands and data into computers. Computers then use their CPU to process this data and produce output.
What is the third component of a computer?
The third and final component of a computer system is the output unit . After processing data, it is converted into a format which humans can understand. After conversion, the output units display this data to users. Examples of output devices include monitors, screens, printers, and speakers. Thus, output units basically reproduce the data formatted by the computer for users’ benefit.
Why is the compilation of these Application of Computers in Accounting Notes important?
The compilation of these Application of Computers in Accounting Notes makes students exam preparation simpler and organised.
What is a computer?
Computers, in simple words, are machines that perform a set of functions according to their users’ directions. Going by this definition, several electronic devices, from laptops to calculators, are computers.
Why do we call the building blocks of a computer?
They must work in complete synergy because that will ensure smooth overall functioning. Hence, we can even call them building blocks of a computer system.
