Chapter 02 Computer Component
(Q#1) Define CPU and its ports? Also below the block diagram with functions. The central processing unit (CPU) also called the microprocessor the processor or central processor is the brains of the computer. The CPU is housed on a tiny silicon chip. This chip contains millions of switches and pathways that help your computer make important decisions. The switches control the flow of the electricity as it travels across the miles of pathways. The CPU know which switches to turn on and which to turn off because It receives its instructions from computer program's. Programs are a set of special instructions written by programmers that control the activities’ of the computer. Programs are also known as software. The CPU has two primary sections : The control unit and the arithmetic logic unit. Arithmetical and Logical Unit (ALU) ALU is the part at CPU where arithmetical operation such as addition, subtraction, multiplication and division as well as logical opera...