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.