WHAT IS PCB? A printed circuit board mechanically supports and electrically connects electronic components using conductive tracks, pads...

WHAT IS A MICROPROCESSOR? A microprocessor is a computer processor where the data processing logic and control is included on a single...

WHAT IS SD CARD? Secure Digital (SD) is a proprietary non-volatile memory card format developed by the SD Association (SDA) for use in...

WHAT IS MODEM? A modulator-demodulator, or simply a modem, is a hardware device that converts data from a digital format, intended for...

WHAT IS A FLASH DRIVE? A USB flash drive is a data storage device that includes flash memory with an integrated USB interface. It is...

WHAT ARE THE UPS? An uninterruptible power supply or uninterruptible power source is an electrical apparatus that provides emergency...

WHAT IS A JOYSTICK? A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the...

WHAT IS A CAT SCANNER? A computed tomography (CT) or computerized axial tomography (CAT) scanner is a medical imaging tool that provides...

WHAT IS GPU? A graphics processing unit is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate...

WHAT IS SERVER? In simple terms, it is a powerful computer that is used to serve information and software to employees, customers, and...

WHAT IS SSD? A solid-state drive is a solid-state storage device that uses integrated circuit assemblies to store data persistently,...

WHAT IS A CPU? A central processing unit (CPU), also called a central processor, is the electronic circuitry that executes instructions...

WHAT IS A MOBILE PHONE? A mobile telephone, also called a mobile phone, portable device for connecting to a telecommunications network to...

WHAT IS A COMPUTER MOUSE? The computer mouse is an accessory to the personal computer that has become an essential part of the operation...

WHAT IS A VIDEO GAMING CONSOLE? A video game console is an electronic or computer device that outputs a video signal or visual image to...

WHAT IS A CAMERA? A camera is an optical instrument that captures a visual image. At their most basic, cameras are sealed boxes (the...

WHAT IS LED? Light-emitting diodes (LEDs)—small coloured lights available in any electronics store—are ubiquitous in modern society. They...

WHAT IS A DRONE? The term “drone” usually refers to any unpiloted aircraft. Sometimes referred to as “Unmanned Aerial Vehicles" (UAVs),...

WHAT IS A KEYBOARD? To communicate with the computer system, we need some input device and an output device. The input device is used to...

WHAT IS LCD? Liquid crystal displays (LCDs) consist of liquid crystals that are activated by electric current. They are used most...