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Ranjeet Nagar Computer Market, located near Shadipur in West Delhi, is one of the most underrated yet highly active IT markets in the city. While it does not have the scale or branding of Nehru Place, it plays …
A computer motherboard is the central printed circuit board that electrically connects and coordinates the processor, RAM, storage devices, graphics hardware, USB devices, network interfaces, firmware, power su…
Modern LED TVs and computer monitors contain sophisticated electronic circuits involving AC mains power supplies, DC-DC converters, LED backlight drivers, processors, memory, display timing circuits, high-speed…
Modern smartphones are compact computers built around highly integrated printed circuit boards (PCBs). A mobile phone motherboard may contain the processor, RAM, storage, power-management circuitry, charging sy…
Chip-level laptop repairing is the diagnosis and repair of faults directly on a laptop motherboard at the electronic component and circuit level. A normal laptop technician may replace complete parts such as RA…
An EPABX (Electronic Private Automatic Branch Exchange) is a private telephone switching system used in offices, factories, hotels, hospitals, schools, apartments, institutions, and other organizations to conne…
Inkjet and ink-tank printers combine precision mechanics, fluid-handling systems, sensors, motors, power electronics, digital control circuits, and firmware. A fault that appears to be a simple "printer not wor…
Enterprise servers are significantly more complex than ordinary desktop computers. A tower server may look similar to a high-end workstation, while a blade server may appear to be a compact modular computer, bu…
Chip-level repairing of a laser printer means diagnosing and repairing faults at the electronic component, circuit, PCB, connector, sensor, power-supply, and controller-board level, rather than simply replacing…
Routers are specialized networking devices that combine digital processing, Ethernet interfaces, radio-frequency circuitry, flash storage, power conversion, and firmware in a compact PCB. When a router fails, r…