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Types of personal computers - ANSWER Desktop computers
Laptop computers
Tablets
Smartphones
Mainframe computers
Supercomputers
A computer system includes: - ANSWER computer hardware and software
Hardware - ANSWER refers to the physical computers
Software - ANSWER refers to the intangible components of a computer system,
particularly the programs, or data routines, that the computer uses to perform a specific
task
computer system components - ANSWER Architecture
Data
Processing
Motherboard or CPU
Cards or removable circuit boards
Input and input devices
Output and output devices
Peripheral devices
Memory - ANSWER It is one of the most important components of personal computer
hardware as it stores instructions and data
Types of memory - ANSWER *Random access memory (RAM) which holds info while
the computer is on
*Cache memory is high-speed memory
*Virtual memory
*Read-only memory is a chip that stores the BIOS (Basic Input-Output System)
*CMOS memory is a chip that stores the date, time and system parameters
Computers communicate in multiple ways - ANSWER USB (Universal Serial Bus)
Ethernet port
Modem
Network - ANSWER Two or more computers connected together.