a __________ computer.
personal
mainframe
microprocessor
mini
RATIONALE
ENIAC is an example of a mainframe computer. Mainframes are computers that are primarily
used by large organizations for critical
...
a __________ computer.
personal
mainframe
microprocessor
mini
RATIONALE
ENIAC is an example of a mainframe computer. Mainframes are computers that are primarily
used by large organizations for critical applications and bulk data processing.
CONCEPT
History of Computers
2
Bethany sends a text message to her boyfriend while listening to music.
Which device is Bethany most likely using in this scenario?
A laptop computer
A tablet
A desktop computer
A smartphone
RATIONALE
Bethany is using a smartphone, which provides functions including text messaging, phone calls,
and Internet browsing.
CONCEPT
Types of Computers
3
Which of the following components is used for data storage?
Keyboard
CPU
DVD
Monitor
RATIONALE
A DVD is an optical disc that is used for data storage.
A keyboard is an input device. A monitor is an output device. The CPU is used to process data.
CONCEPT
Computer Components and Roles
4
Which of the following statements about the relationship between hardware and software is
FALSE?
Computer hardware controls the computer's software by telling it what to do.
Computer hardware can be physically touched, while computer software is intangible.
Both hardware and software are needed for the computer to function effectively.
Computer hardware cannot be used without an operating system.
RATIONALE
Computer hardware does not control the computer's software. The reverse is true: the software
controls the hardware and tells it what to do.
The other statements are all true. Hardware is tangible, and software is intangible. Hardware and
software are co-dependent: both are needed for the computer to function, and one cannot operate
without the other.
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