CPU
Transforms Input and
OutputEach computer contains one
Collection of electronic
circuitsProcessor
Interpretates and execute
instructions in a program
Circuit board/ motherboard
Not all software is compatible with
every CPU.
Chips in Intel’s Core i7 backward
compatible with core 15, core 13,
core 2 duo, Celeron, Pentium, 486,386
and 286 chips.
Processors by Advanced Micro
Devices are made to be compatible.
COMPABILITY
Some processors much faster than otherModern computer speed measured called gigahertz.Many core machines may have hundreds or tens of processors per chip.Web browsing convenient to use faster machine.PC performance affected by architecture.
PERFORMANCE
BUY GREEN EQUIPMENT USE A LAPTOP
TAKE ADVANTAGE OF ENERGY-SAVING
FEATURES
TURN IT OFF WHEN YOU’RE
AWAYSAVE ENERGY, NOT SCREENS
TURN IT ALL THE WAY OFF
AVOID MOVING PARTS
PRINT MOVING PARTS
PRINT ONLY ONCE
USE A GREEN FONT
E-CYCLE YOUR WASTE
PRODUCTSPASS IT ON SEND BITS, NOT
ATOMS
CONSIDER HIDDEN
ENVIRONMENTAL COSTS OF YOUR
DECISIONS
TIPS TO HELP MINIMIZE ENVIRONMENTAL IMPACT
MULTICORE TO CLUSTER
Multiple servers can be grouped together in a cluster to improve speed.Google uses a cluster of thousands of PCs to handle millions of search queries a day.Parallel processing used in high-end servers and workstations for time.
COMPUTER’S MEMORY
RAM memory most common
type of primary storage.
Read-only memory (ROM)
computer can only read
information from it.
Complementary metal-oxide semiconductor (CMOS) store
small amounts of data for
long periods.
Flash memory can be written
and erased rapidly and repeatedly.
Popular cpu’s
Intel Xscale used in mobile and embedded devices.
ARM used in MP3, smarthphones and handheld devices
Cell processor used in game machines, mainframes , super computers etc.
Tilera TILEGEX line used in video conferencing, wireless base stations, and high-end network conrollers.
Intel Core 2 used in PCs and servers.
Intel i3/5/7 used in PCs and servers.
AMD used in PCs and servers
HOW MEMORY WORKS
CPU can store information into RAM and retrieve information from
RAM.
RAM chips usually grouped on small
circuits boards called dual in-line memory models
(DIMMs)
Information permanently
recorded on the ROM.
BUSES, PARTS AND PERIPHERALS
Information travels between components through groups of wires called internal buses or buses.
Buses connect to storage devices in bays.
Buses also connect to expansion slots inside the computer´s housing.
Buses connect to ports that are generally used to attach peripherals.
Peripherals are connected to ports trough external buses.
TOMORROW’S COMPUTER
Researchers are working to
produce future computers smaller,
faster, more powerful, and more energy
efficient that today´s state of the art.
Make new chips faster, or make it
more energy efficient.
Carbon-bases nanoscale
processors could be much smaller and consume far less electricity
than conventional silicon-bases
microprocessors.
THE CLOCK OF THE LONG NOW
Clock´s works
consist of a binary digital-
mechanical system which is accurate
and revolution
ary.
The eventual Clock is
experienced to keep
proliferating design
ideals for a while.
Long Now added a
“Library” dimension with the
realization of the
need for the
content to go with context
provided by the Clock.
The point is to
explore whatever may be
helpful for thinking,
understanding, and
acting responsibly over long periods of
time.
ANSWER QUESTIONS
• Do you think the Long Now Clock is a good idea? Why or why not?
Yes, you have new ways of thinking in the world.
• Can you think of other ways to encourage long-term thinking?
Yes, one is by getting some ideas and you will encourage long-term thinking.