Section 2.2.3- History of Computers?
What three questions do software engineers or computer technicians keep in mind when considering HCI?
1. Why are people using computers? What motivates them and what do they value? 2. What do people want to do with computers? What functionality and features do they need? 3. How are people using computers? How can they access what they want? What sort of aesthetics do they expect?
Which device was needed in order for users to dial into their Internet Service Provider over the telephone line?
A modem was needed for users to dial their Internet Service Provider.
What is the difference between a personal computer and a supercomputer?
A personal computer is a simple at home computer. A supercomputer is one of the most powerful computers at this point in time. They're typically very large and can handle lots of storage, data, and process things extremely fast.
Which company created the iPhone?
Apple was the company that created the iPhone.
Why were computers so large?
Computers were so large because they relied on large triode vacuum tubes to relay information through the system.
effectiveness
Effectiveness refers to what percentage of a goal the computer is able to achieve. How good is the computer at doing the task the user wants to accomplish?
efficiency
Efficiency refers to measuring how much time it takes the computer to complete a task. It also looks at how much time the user has to take in correcting errors.
What is HCI? (definition)
HCI stands for Human Computer Interaction. It is a field of study that looks at how computers and other kinds of technology interact with humans.
What was the first electronic computing machine?
Hollerith's machine, which he called a tabulating machine, worked by punching census data onto paper cards.
HCI
Human Computer Interaction
The Tabulating Machine eventually became known as _____.
IBM
What happened in 2007 that made the internet even more accessible?
Internet access was mostly limited to desktop and laptop computers until 2007, when Apple released their first smartphone, the iPhone.
Who invented the microchip?
Jack Kilby invented the microchip.
What major breakthrough happened in 1959?
One of the next major breakthroughs in computing was in 1959, when Jack Kilby invented the microchip.
satisfaction
Satisfaction refers to how happy the user is with how the computer functioned. In other words, were they satisfied with each step of the process?
Scientists at Bell Laboratories invented the _____.
Scientists at Bell Laboratories invented the transistor.
What are some things that supercomputers are used for?
Supercomputers tend to be used in the advancement of national defense, scientific discoveries, and social change.
Who invented the first electronic computing machine?
The first electronic computing machine was invented by Herman Hollerith.
In what year did the size of computers change?
The size of computers changed in the year 1947.
What year were 3 (successful) personal computers released?
The year 1977 is when 3 successful personal computers were released.
Transistors are made of ___.
Transistors are made of silicon.
What was the purpose of a transistor?
Transistors were able to replace the bulky vacuum tubes, which made computers smaller.
What is UCD? (definition
UCD stands for User Centered Design. It is a process where a design team takes on the needs of the end user at every phase of the process.
What is UI? (definition)
UI stands for User Interface. User Interface seeks to create a visual experience for the user that will be simple to use, enjoyable to look at, and meaningful.
usability
Usability refers to how suitable the computer is for the task and how easy it is to learn for new users.
UCD
User Centered Design
UI
User Interface
What application became popular in the mid-90's?
Word processing was the most widely used personal computer application until the mid-nineties.