WorksheetsIntroduction to Computers
Total questions: 20
Worksheet time: 2hrs 40mins
____is information that a user physically enters into a computer by pressing a key on a keyboard, clicking a mouse, tapping a touch screen, pushing a button on a game controller, speaking into a microphone, etc.
input
output
storage
processing
____is the operations performed by a computer to retrieve, transform, or classify information.
input
output
storage
processing
____is information that a computer returns to a user such as images on a screen, sounds from speakers, and printed pages.
input
output
storage
processing
____is the saving of information on memory chips, discs, or other storage media by a computer for later use.
input
output
storage
processing
An early computing machine that used punched cards and metal pins. It was used to compile the 1890 US census.
Hollerith's Tabulating Machine
Supercomputers
1944 - Harvard Mark 1 Completed
Naval Ordnance Research Calculator
A smaller, faster, cheaper, and more durable electronic device that replaced mechanical relays, which were slow and tended to wear down over time.
Transistor
Microchip
Smartphone
Supercomputers
An electronic device that allowed entire computers to be built into a single board, replacing modules for each part of the computer. Microchips paved the way for personal computer ownership.
Transistor
Microchip
Smartphone
Supercomputers
A system for making digital resources publicly available over the internet using a web browser that paved the way for email, chatrooms, and social media sites.
World Wide Web
Microchip
Smartphone
Supercomputers
A mobile phone that functions as a computer and allows users to access the internet.
World Wide Web
Microchip
Smartphone
Supercomputers
The fastest, most powerful computers that exist at a given time. These computers have processing capabilities designed to solve problems that are too complex for regular computers. They play vital roles in the advancement of national defense, science, and social change.
World Wide Web
Microchip
Smartphone
Supercomputers
A field of study that looks at how computers and other kinds of technology interact with humans.
World Wide Web
Human-computer interaction
Smartphone
Supercomputers
Occurs when the Central Processing Unit (CPU) retrieves the information from RAM and manipulates it according to instructions from an application.
Data Processing
output
storage
processing
Which of the following is not a four basic component of a computer?
input
output
processing
RAM
storage
Explain how input devices communicate with computers.
(a)
RAM is non-volatile memory
True
False
ROM is non-volatile memory
True
False
RAM loses its data after the device loses power.
True
False
ROM contains programming that allows computers to start up.
True
False
Which of the following are not principles for measuring human-computer interaction?
Usability
Effectiveness
Kindness
Efficiency
Satisfaction
Which of the following is not a benefit from supercomputers?
Advancement in national defense
Scientific discoveries
Social change
all of these
