Subject: Computer

Explanation
FIFO (First In, First Out) means that the oldest inventory items are sold or used first .
It is commonly used in inventory management to prevent obsolescence and spoilage, especially in perishable goods.

Explanation
RAM is volatile and primary memory. ROM is non-volatile and permanent storage.

Explanation
DEO stands for Data Entry Operator , a person responsible for entering and managing data in computer systems. This role is essential in offices, organizations, and administrative work for accurate record-keeping.

Explanation
An output device is any piece of computer hardware that converts information or data into a human-perceptible form or, historically, It can be text, graphics, tactile, audio, or video. Examples of Input Devices 1.         Keyboard. 2.         Mouse. 3.         Touchpad. 4.         Scanner. 5.         Digital Camera. 6.         Microphone. 7.         Joystick. 8.         Graphic Tablet. &** Output  Device. Printer monitor projector

Explanation
A joystick is the easiest and most effective way of operating a mouse. They work in a similar manner to the joystick control on a wheelchair. The mouse pointer moves fastest when the joystick is pushed fully in any direction .

Explanation
To go to previous cell we use Go To function Ctrl + G.

Explanation
A conditional format changes the appearance of cells on the basis of conditions that you specify. If the conditions are true, the cell range is formatted; if the conditions are false, the cell range is not formatted .

Explanation
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Explanation
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Explanation
A hardware device which can be used to store digital data and applications which may be in the form of images, video, audio, etc. is called a storage device. It is a key component of a computer and the hard drive is one of its examples.