Test 3 Study Guide
CHAPTER 9 TERMS:
• Operating System (OS): A set of programs that coordinate all the activities among
computer or mobile device hardware.
• Booting Computers: Cold boot= turning it on from off. Warm boot= restarting it.
• Sleep Mode: Saves any open documents running programs or apps to RAM, turns off all
unneeded functions, and then places the computer in a low power state.
• Hibernate Mode: Saves any open documents and running programs or apps to an
internal hard drive before removing power from the computer or device.
• User Interface: Controls how you enter data and instructions and how information is
displayed on the screen.
• Graphical User Interface: You interact with menus and visual images.
• Command-Line Interface: A user types commands represented by short keywords or
abbreviations or press special keys on the keyboard to enter data and instructions.
• Virtual Memory: A portion of a storage medium functioning as additional RAM.
• Driver: A small program that tells the operating system how to communicate with a
• Performance Monitor: A program that assesses and reports information about various
computer resources and devices.
• Automatic Update: Regularly provides new features or corrections to the program.
• Network Operating System: Designed to work with a server on a network.
• Sign in: Enables a user to sign in to, or access resources on, a network or computer.
• User Name: Or user ID, identifies a specific user.
• Password: A private combination of characters associated with the user name.
• Desktop Operating System: A complete operating system that works on desktops,
laptops, and some tablets.
• Mobile Operating System: The operating system on mobile devices and many consumer
electronics and resides on firmware (i.e. Android, iOS, Windows phone). CHAPTER 10 TERMS:
• Digital Communications: Describes a process in which two or more computers or devices
transfer data, instructions, and information.
• Network: A collection of computers and devices connected together via
communications devices and transmission media.
• LAN: (Local Area Network) A network that connects computers and devices in a limited
• WAN: (Wide Area Network) A network that covers a large geographical area.
• Network Architecture: The configuration of computers, devices, and media on a
• Communications Software: Consists of programs and apps that help users establish a
connection to another computer, mobile device, or network; manage the transmission
of data, instructi