Introduction to Information Technology Essays

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What is a motherboard? A printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted
What is an expansion card? An expansion card allows extra slots to be added for the computer.
Four categories of productivity software and the Microsoft products that corresponds with it? Word processing–Word, Spreadsheet- excel, presentation- PowerPoint, database- access
What is Automatic speech recognition? Siri is ASR. Siri is part of User interface
Know the difference between vertical and horizontal? Vertical is tailored to a particular industry. Horizontal is for broad categories
TPS, MIS, EIS, DSS (decision support system) expert systems what are these types of applications for?
What is open source? Free and includes source
Freeware is free but doesn’t include source
What is a copyright and main provision? Copyright is so that others cannot steal your product.
What is a software license?
Types of licenses? Shrink-wrap and others
Operating system, device drivers, and utilities are system software.
Only one to know is OS is single user multitask- typical used for notebooks and laptops
Should know what an OS does? Controls every task your computer carries out and manages system resources.
What is a user interface? Lets the user interact with the computer
Other thing about UI is evolution? Command driven, menu driven, and GUI (graphical user interface)
What is virtual memory? Its when it uses the hard drive as RAM
What is file management? Provides a user interface to manage files and folders
Decipher a path.
Know extensions. .docx, .txt
Couple of utility programs? File compression, disk defragmenter, and virus protection
What is the two components of the CPU? The arithmetic logic unit (ALU), which performs arithmetic and logical operations, and the control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary.
What is a machine cycle? also called a processor cycle or a
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