What is a computer?
a multipurpose device that accepts input, processes data, stores data, and produces output using stored instructions.
What is input?
any data typed, submitted, or transmitted to a computer.
What is output?
The result produced by a computer
What does it mean when a computer processes data?
calculations, modifying documents or images, drawing graphs, and sorting data.
What component handles processing in a computer?
The central processing unit (CPU) handles all processing tasks.
What is a computer program?
a set of instructions that tells a digital device how to perform processing tasks.
What is software?
a collection of programs that set up a computer
What happens when a computer “runs” software?
The computer follows the program’s instructions to complete a task.
How were the first computers programmed?
by physically connecting wire circuitry in specific ways.
What are the three main types of software?
Application software, system software, and development tools.
What does stored program mean?
a set of instructions loaded into a computer’s memory for execution.
What is application software?
Application software helps users perform specific tasks.
What is system software?
helps the computer monitor and manage itself efficiently.
What is an operating system (OS)?
Back:
system software that controls basic computer functions.
What are development tools used for?
to create software applications, websites, operating systems, and utilities.
What is a system board?
It holds essential chips and connects computer components.
Where are most electronic components mounted?
On a circuit board called the system board.
What does form factor mean?
the size and dimensions of a device or its components.
What is a system unit?
part of a device that holds the system board.
What are common form factors?
component, clamshell, and slate.
What is a supercomputer?
one of the fastest computers in the world used for extremely complex tasks.
What are typical uses of supercomputers?
Breaking codes, modeling weather systems, and simulating nuclear explosions.
What defines a portable computer?
Portable computers run on battery power and have all components in one case.
What is a laptop?
a small, lightweight portable computer with a clamshell design and keyboard base.
