Chapter 4 - The Components of the System
Unit
The System Unit
° Box-like case that houses the electronic components of
the computer used to process data
° All computers have a system unit
° Sometimes called the chassis
What is the motherboard?
What electronic components are
found on the motherboard?
What chip packages are available?
Central Processing Unit
What is the central processing unit (CPU)?
What
are the components of the central processing unit (CPU )?
What is the control unit?
What is a machine cycle?
How is the speed of the CPU measured?
What are two designs used for the CPU?
What is the arithmetic/logic unit (ALU)?
What is pipelining?
What is a register?
What is the system clock?
What
is a personal computer processor?
Who are the personal computer
processor manufacturers?
How
do personal computer processors compare?
How are processors upgraded?
How do you install a processor?
How do heat sinks and heat pipes
protect the processor?
What is a coprocessor?
What is parallel processing?
Data Representation
How do computers represent data?
What is the binary system?
What is a byte?
What are two popular coding systems
to represent data?
How
is a character sent from the keyboard to the computer?
Memory
What is memory?
° Bytes are the basic storage unit in memory
° Each byte is stored at a specific location in memory called
an address
How is memory measured?
What
are the two types of memory in the system unit?
What is random access memory (RAM)?
How are applications transferred in and out
of RAM?
What are the two basic types of RAM chips?
What is a memory module?
How
much RAM is needed?
What is memory cache?
What are the three types of cache?
What is read-only memory (ROM)?
What are types of ROM?
What is flash memory?
What is CMOS?
What is memory access time?
Expansion Slots and Expansion Cards
What is an expansion slot?
What are the uses of expansion
cards?
What are four common types of
expansion cards?
What is Plug and Play?
What is a PC card?
What are the three types of PC
Cards?
What is a flash memory card?
Ports
What is a port?
What
is a connector?
What are the different types of connectors?
What is a serial port?
What is a parallel port?
What is a universal serial bus port (USB)?
How are multiple USB devices
connected?
What are other special-purpose ports?
Buses
What is a bus?
What are the two basic types of buses?
What
are the types of expansion buses?
Bays
What is a bay?
What is a power supply?
Mobile Computers
What is a mobile computer?
What is inside a mobile computer?
What ports are on a notebook computer?
How is data transferred from a
handheld computer?
Putting It All Together
What
are suggested processor, clock speed, and RAM requirements based on the needs
of various types of users?
Summary of the
Components of the System Unit
° The system unit
° Central processing unit
° Data representation
° Memory
° Expansion slots and expansion cards
° Ports, buses, bays
° Power supply
° Mobile computers
Chapter 4 Complete