TIMETOAST By dadoma.sherpa@stu.shc.ac.uk Period: 2025 BCE to 2025 BCE WHAT IS TRANSISTOR? IT IS A DEVICE THAT CONTROLS ELECTRICAL CURRENT BY AMPLIFYING, FACILATING AND STOPPING IT. IT CAN BE FOUND IN COMPUTER MEMORY CHIP, CELL PHONE OR EVEN CAR ENGINE. IT IS A SMALL CHIP THAT MAKES COMPUTER WORK.