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DCT Chapter 1
Key Terms
Term | Definition |
---|---|
software | a set of instructions, also called a program or application, that tells a computer how to perform tasks |
operating system | software that controls all of the other software programs and allows the computer to perform basic tasks; OS opens automatically once a computer is turned on |
hardware | all the physical parts of a computer, such as the: screen, mouse, and keyboard; hardware parts hidden inside the computer are the: motherboard, central processing unit, video card, and memory chips |
digital | information represented as individual pieces of data using the numbers 1 and 0 |
hard drive | built-in storage device inside a computer |
input | information entered into a computer |
output | information that a computer produces or processes |
external storage device | storage device that can be easily removed from a computer and is often small and portable |
read-only memory (ROM) | memory that holds data that can be read by a digital device but cannot be changed or deleted |
e-portfolio | collection of the best documents and projects you have created and saved in an electronic format |