Topic 3-21st
How many possible values does a byte have?
256
Data stored here is lost when the computer is turned off.
RAM
temporarily stores data and instructions
RAM
today's programs require a lot
RAM
These chips contain instructions that start the computer when you turn it on.
ROM
helps a computer start up
ROM
creates software
programmer
used to write software
programming language
Many organizations build their networks around this type of computer.
server
often used with a wide variety of apps
smart phone
When writing software, programmers must break every action the software must take into these.
steps
This type of computer does very complex work, such as forecasting the weather.
supercomputer
This computing device is a small, portable computer with a flat panel display.
tablet
The Windows® and Macintosh® operating systems represent data and programs by using what?
text and images
also called a trackpad
touchpad
A bit can have a value of 1 or 0
true
A microphone is used to input sound.
true
Because programs today are complex, they need large amounts of RAM to run properly.
true
Object code consists of 1s and 0s
true
Output is the results of the computer's processing
true
The four basic functions of computing are input, processing, output, and storage
true
The operating system is responsible for coordinating data processing.
true
This type of program can be used to translate files created in one operating system, so they can be used by a different operating system.
utility
leaves the hands free for other tasks
wearable computer
Architects and engineers commonly use this type of computer for its power and speed.
workstation
tells a computer how to work
operating system
Because a digital computer is_____, it recognizes only two possible values.
binary
has 256 possible values
byte
A(n) ________ is a programming tool that translates source code into object code.
compiler
performs input, processing, output, and storage
computer system
Which of the following is not a job of the operating system?
creating source code
A group of eight bits is called a digit.
false
A joystick is an example of an output device
false
Because of their size, smart phones cannot be connected to the Internet.
false
Supercomputers are small and inexpensive.
false
The instructions in ROM change frequently once this memory is placed on the motherboard.
false
often used with computer games
joystick
Which of the following is used to input text?
keyboard
________ computers are designed so that many people can use the same secure data at once.
mainframe
How many operations can a CPU carry out each second?
millions
Inside the computer, data travels from one device to another through the
motherboard
This connects vital pieces of hardware, such as the CPU and memory.
motherboard
covered with circuits and switches
motherboard
A trackball and a touchpad function similarly to a(n)
mouse
In a digital computer, each piece of information is identified by one of these.
number
A compiler translates a program's source code into this.
object code
can be read by a computer
object code