what is the primary input device of a computer

Nov 13,  · An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. The picture shows a Logitech trackball mouse, which is an example of an input device. The most commonly used or primary input devices on a computer are the keyboard and mouse. Sep 19,  · A keyboard is the most fundamental input device for any computer system. In the early days of computing, it was typically the only input device. A keyboard .

Along with the mouse, the keyboard is one of the primary input devices used with a Ask your question! Help us make our solutions better Rate this solution on a scale of below We want to correct this solution. Tell us more Hide this section if you want to rate later. Questions Courses. What is the primary input device of a computer? Printer B. Monitor C. Keyboard D. CPU What is the 1 answer below ». CPU What is the name of the data and instructions used to start the computer that are stored on special ROM chips on the board?

BIOS B. CMOS C. DIMM D. SIMM What is the name of the card that provides a port for the monitor? Sound card B. Network card C. Video card D.

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Review Please. Next Previous. Related Questions. What hardware device drivers should be updated? Note: This page contains steps on updating drivers. Note: This page contains steps on updating drivers and not Microsoft Windows updates. Below is a listing of our recommended hardware devices that you should make sure are updated. Updating your House the CPU Enable communication between.

Which of the following are input equipment, output equipment, CPU components, secondary storage Which of the following are input equipment, output equipment, CPU components, secondary storage devices, or data communications related?

ALU b. CD-ROM c. POS device g. MICR reader h. The only factor that is common to and an integer n is 1. Write the model 1 using a vector form in a sample version how to write a protocol specification A complete-mix suspended growth activated sludge process is used to treat domestic wastewater For the piecewise function, find the values g 1g 1and g 3. Then f o g Simplify your answer.

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It generally depends on the purpose of the computer. Prabhat Kumar suggests it could be a keyboard but considering how many computers there are with no keyboard, that wouldn’t be completely true. (Mobile phones, for example! For them, the primary. What is the primary input device of a computer? A. Printer B. Monitor C. Keyboard D. CPU What is the name of the data and instructions used to start the computer that are stored on special ROM chips on the board? A. BIOS B. CMOS C. DIMM D. SIMM What is . Pointing devices are the most commonly used input devices today. A pointing device is any human interface device that allows a user to input spatial data to a computer. In the case of mice and touchpads, this is usually achieved by detecting movement across a physical surface.

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.

These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. It is used to enter the numeric data or cursor movement. 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. These keys provide cursor and screen control.

It includes four directional arrow keys. Mouse is the most popular pointing device. It is a very famous cursor-control device having a small palm size box with a round ball at its base, which senses the movement of the mouse and sends corresponding signals to the CPU when the mouse buttons are pressed.

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.

Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends. The lower spherical ball moves in a socket. The joystick can be moved in all four directions. The function of the joystick is similar to that of a mouse. Light pen is a pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen. It consists of a photocell and an optical system placed in a small tube.

When the tip of a light pen is moved over the monitor screen and the pen button is pressed, its photocell sensing element detects the screen location and sends the corresponding signal to the CPU. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. This is a ball which is half inserted and by moving fingers on the ball, the pointer can be moved.

Since the whole device is not moved, a track ball requires less space than a mouse. A track ball comes in various shapes like a ball, a button, or a square. Scanner is an input device, which works more like a photocopy machine. 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. Digitizer is an input device which converts analog information into digital form.

Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. They can be used by the computer to create a picture of whatever the camera had been pointed at. Digitizer is also known as Tablet or Graphics Tablet as it converts graphics and pictorial data into binary inputs. A graphic tablet as digitizer is used for fine works of drawing and image manipulation applications. The microphone is used for various applications such as adding sound to a multimedia presentation or for mixing music.

MICR input device is generally used in banks as there are large number of cheques to be processed every day. The bank's code number and cheque number are printed on the cheques with a special type of ink that contains particles of magnetic material that are machine readable.

The main advantages of MICR is that it is fast and less error prone. OCR scans the text optically, character by character, converts them into a machine readable code, and stores the text on the system memory. Bar Code Reader is a device used for reading bar coded data data in the form of light and dark lines.

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.

OMR is a special type of optical scanner used to recognize the type of mark made by pen or pencil. It is used where one out of a few alternatives is to be selected and marked. It is specially used for checking the answer sheets of examinations having multiple choice questions. Computer - Input Devices Advertisements.

Previous Page. Next Page. Previous Page Print Page. Dashboard Logout. Typing Keys These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. Numeric Keypad It is used to enter the numeric data or cursor movement. Function Keys The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. Control keys These keys provide cursor and screen control.

5 thoughts on “What is the primary input device of a computer

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    18.09.2020 in 08:56

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