2nd Year IT
An Optical Drive is a device used to read disks. It use a laser to read codes in the lumps and bumps on the CD. Types of Optical Drives are CD, DVD and Blue-Ray Disks.
CPU stands for Central Processing Unit. It is the brain of the computer. The CPU is the closet in the computer to the human brain.The CPU's performance is determined in two areas: internal and external. The internal performance means the performance within the central processor.