What are the full meaning of VGA CPU UPS RAM VDU?

VGA stands for Video Graphics Array, a standard for computer graphics. CPU means Central Processing Unit, the primary component that performs calculations and processes instructions in a computer. UPS refers to Uninterruptible Power Supply, a device that provides backup power during electrical outages. RAM stands for Random Access Memory, a type of volatile memory used for temporarily storing data, while VDU means Visual Display Unit, a device used to display visual output from a computer.