How many input devices does a computer have?
There are three different types of peripherals: Input, used to interact with, or send data to the computer (mouse, keyboards, etc.) Output, which provides output to the user from the computer (monitors, printers, etc.) Storage, which stores data processed by the computer (hard drives, flash drives, etc.)
What is the standard input devices of computer?
The standard input device, also referred to as stdin , is the device from which input to the system is taken. Typically this is the keyboard, but you can specify that input is to come from a serial port or a disk file, for example.
What are 3 input devices of a normal PC system?
Some input devices are: Keyboard. Mouse. Microphone.
What are 5 input devices that computers have?
Computer – Input Devices
- Keyboard.
- Mouse.
- Joy Stick.
- Light pen.
- Track Ball.
- Scanner.
- Graphic Tablet.
- Microphone.
Which is father of computer?
Charles Babbage
Computer/Inventors
Why does a computer need an input device?
Today, input devices are important because they are what allows you to interact with and add new information to a computer. For example, if a computer had no input devices, it could run by itself but there would be no way to change its settings, fix errors, or other various user interactions.
What are the input and output devices of a computer?
Keyboard and mouse are the most commonly used input devices. Microphone gives sound or voice input to the computer. Output devices are used to display the result or information on the computer. Monitor and the printer are the commonly used output devices.
What is input device for Class 4?
Ans. The two input devices are keyboard and mouse.
What is input device for Class 5?
Input Device Definition: A piece of equipment/hardware which helps us enter data into a computer is called an input device. For example keyboard, mouse, etc.
What are the 5 output devices?
What are the different output devices of computer?
- Monitor.
- Printer.
- Headphones.
- Computer Speakers.
- Projector.
- GPS.
- Sound card.
- Video card.
What is the most common input device on a computer?
The most commonly used or primary input devices on a computer are the keyboard and mouse. However, there are other devices that input data into a computer. Types of input devices. What are the input devices of my computer?
How does the input device send data to the computer?
Additionally, all input devices send data from the device over a cable or wireless transmission to the computer. For example, as you move a computer mouse, the data sent to the computer is the X-Y axis movements used to display the mouse cursor on the screen. You can see a live example of this on our x-axis definition.
What would happen if a computer had no input devices?
For example, if a computer had no input devices, it could run by itself but there would be no way to change its settings, fix errors, or other various user interactions. Also, if you wanted to add new information to the computer (e.g., text, command, document, picture, etc.), you wouldn’t be able to do so without an input device.
What are the proposed requirements for a computer system?
The proposed requirements include: Definitions of hardware, software, system, and validation. Requirements that systems be designed, installed, tested and maintained in a manner that will insure that they are capable of performing their intended functions. Requirements for system validation and calibration.