6.1 Technological develop PT2

Question 1

what was the 20th century’s next revolution
(the new industrial age of high tech production)

Answer 1

witnessed another ‘revolution’ in design and manufacture

Question 2

factors why there was this revolution in design+manu
(the new industrial age of high tech production)

Answer 2

-adavances in technology, particulary in computing and electronics, such as the invention of the transitor+integrated circuit

-developments in materials such as composites, polymers+ alloys

Question 3

what do advances in manu tech results

Answer 3

-advances for electric components such as integrated circuits (ICs) have resulted in an increasingly powerful, miniaturised and affordable range of products

Question 4

What is miniaturisation

Answer 4

reducing the size of products such as electronic devices by incorporating components developed to be smaller but more powerful

Question 5

Early 19th century technological developments for electronic products

Answer 5

-electrical batteries+circuits
EG.
-basic lighting
-motors
-switches etc

Question 6

Early 20th century technological developments for electronic products

Answer 6

vacuum tube (thermionic valve)
EG.
-early amplifiers
-radios
-TVs and computers

Question 7

1940s technological developments for electronic products

Answer 7

Transistor (semi-conductors)
EG.
-Portable radios
-a reduction in the size of other electronic products

Question 8

1960s technological developments for electronic products

Answer 8

Microelectronic ICs (approx. 500 transistors)
EG.
-more powerful computers and highly portable devices such as music players

Question 9

1980s technological developments for electronic products

Answer 9

Ultra large-scale IC’s (ULSI) (1mil+ transistors)
EG.
-laptops and mobile phones

Question 10

What are some tech developments resulting in the evolution+ improvement of personal music players

Answer 10

-compact cassette
-CD
-Laser
-Ni Mh batteries
-LCD display
-MP3 (compressed digital audio)
-Miniature hard drive
-Lithium batteries
-Flash (IC) storage
-Capacitive touch screen
-Music streaming

Question 11

side things that will be in later chapters

Answer 11

-computers and the development and manufacture of products (info about CAD/CAM)
-the use of smart materials and products for innovative applications (features and use of smart materials)

Question 12

impact of compact cassette

Answer 12

portability and convenience of enclosed magnetic recording tape

Question 13

impact of CD

Answer 13

reliable, wear-free storage of digital files

Question 14

impact of laser

Answer 14

reliable, non-contact, light transmission of CD data

Question 15

impact of Ni-Mh batteries

Answer 15

Rechargeable, portable power

Question 16

impact of LCD display

Answer 16

Facilitates user display interface

Question 17

impact of MP3 (compressed digital audio)

Answer 17

increased capacity of devices to store more songs

Question 18

impact of Miniature hard drive

Answer 18

high-capacity storage capability

Question 19

impact of lithium batteries

Answer 19

rechargeable power and longer battery life

Question 20

impact of Flash (IC) storage

Answer 20

no moving parts, improving reliability

Question 21

impact of Capactive touch screen

Answer 21

improvements to user control and display interface

Question 22

impact of music streaming

Answer 22

removal of the requirement to store files on devices