Computers and
Productivity
Long Time Ago….• A lot of products are made in mass production
(Assembly Line)• A person is only in charge of only one part making
a product (example only fit the wheels of a car )
Now….
• Mass production are mostly done by automatons (Machines that can work automatically)
WHY IS THIS SO?
Let us do a short comparison…
Round 1!
VSHuman VS Machine
Human• If you want a full body
massage, one masseur can only do one body part at one time
Machine• Just one massage chair
can do most of the body part at the same time
Time for Round 2!
WIN
Human 0 – 1 Machine
LOSE
Humans requires a large workforce to do the same work
as machines
Human• Human gets tired
and bored doing the same work
Machine• Machines will never be tired or
bored doing the same thing again and again and again…….
Winner is Machine!
WINNOT
AGAIN!!!Humans finds Repetitive Work,
BORING and needs REST
Human 0 – 2 Machine
Can you think of any other advantages that automatons/machines
have over humans?
AUTOMATION
• Some machines needs humans to control and monitor them, Ex: the drilling machine
• Some machines have processor to control and monitor them, Ex: This is an automatic drilling machine.
• This is called AUTOMATION!
Processor• A PROCESSOR
• Is the “brain” of a computer/machine
• Part of the computer that follows instructions and carries out actions
Benefits of RobotsI’m more accurate
and consistent
in the quality of my
work
I’m faster, and more productive than humans
I can work in
conditions that are
harmful to humans
It is cheaper to maintain
me than the salary paid to human workers
Human vs Automation• Lets us take a look at Piano playing
Blue Danube Pianola (Automation) Click to view
Blue Danube Duet (Human) Click to view
• A pianist playing for an hour may make 1 or 2 mistakes
• A computerised piano can play for many hours without a single mistakeWhich is superior to
you?
Publishing and Print Industry
• Lets look at how computers are used in the publishing and printing industry
Publishing and Print Industry
Publishing and Print Industry
Benefits of Using Computers in Publishing
Process Using computers Using your handsGraphics Digitalised graphics can
be changed easilyPaper graphics not easily changed
Documents The spelling-and-grammar checker reduces mistakes in manuscripts
You might not notice some mistakes when writing
Layout Desktop publisher can easily do the layout
You have to draw your own margins and layout
Printing Computerised printing machines can adjust colour and positions for high quality printouts
Whatever you write or do on paper is what you will get
Postal Mail Sorting
• Benefits of Using Computers in Postal Mail Sorting• Less manpower used• Shortens the time to process mail• Mails get delivered earlier
• Human workers sorting manually will• Requires a lot of manpower• Time consuming• More mistakes made
Computers at the Airport
• Airports are important travel hubs• As more people travel in airplanes, computers are
slowly roped in to perform some repetitive tasks• With time, computers are also tasked with more
sophisticated tasks.
Computers at the Airport
Travel/flight Information• Large airports
uses computers to automatically and accurately update flight details when necessary
Computers at the Airport
Customer Database (Advantages)• Customer details are
now all stored on computers
• Airport staff now saves time when retrieving/updating customer information
• Computers also help staff to data mine customers spending pattern
Computers at the Airport
Customer Database (Disadvantages)• BUT! The set-up cost
of the equipment and software is very expensive
• If database is down, you cannot access it. This is a high cost of failure
Computers at the Airport
Airport Security• Computers
enforces airport security
• They are used to identify suspicious travellers
Optical Fingerprint
Scanner
Face Recognition
Camera
X Ray Luggage Scanner
Computers at the Airport
DOES THIS MEAN THAT COMPUTER
S ARE ALWAYS BETTER THAN
HUMANS????
Humans are better than computers at…
Creative WorkPeople can do things that are different and
new
Adaptation/LearningPeople will continue to learn
new things as they grow. Computers only can do what
they are programmed to
Humans are better than computers at…
Dealing with UncertaintyPeople can react to different situations differently
Humans are better than computers at…
Pattern Recognition Although people has different speaking accents,
humans can still understand what others say
Click Here to view video clip
Now, did you get all that?
Lets Find Out..Take the Quiz!
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