1. CPU is the central processing unit of a computer. Hardware that executes programs and manages the system.
2. The CPU is the heart of the computer, a microprocessor chip which process data and coordinates the activities of all the other units.
3. The CPU consists of 3 major components : ALU, memory unit, CU
4. Binary code, a sequence of ones and zeros or the language into which your CPU translates all data
5. Program counter tracks which intructions the CPU should execute next when processing data
6. One hertz the speed at which one operation is performed per second
7. Multi - core processor A CPU which two or more independt cores so it can do more than one thing at once.
8. The CPU processes data and a areas within the CPU
8 TASK
Discuss computer measurement units based on cluster method
1 byte equals 8 bits. 1024 bytes equals 1 KB.1024 Kb equals 1 megabyte.1024 MB equals 1GBgq.1024 GB equals 1 TB
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9 TASK 1. Do the exercises based on the text of the lesson: Disks and drives.
Look at the text and find:
1. Hard disk - the CD and DVD formats that can be rewritten many times.
2. Optical drive- the CD and DVD formats that can be written to by the user only once
3. Magnetic- the CD and DVD formats that can be read by a computer but not written to
4. Flash- the type of cards used in digital cameras
5. Flash drive- a type of drive that plugs into a USB port and lets you share photos and music with friends
6. External storage- the memory without moving parts; it is erasable, non-volatile and in small devices
7. Make a backpack- the expression that means to ‘initialize a disk and prepare it to receive data’
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