Q&A Hero

Mathematic

Q: A(n) _____ transmits information over a closed, connected path.
Q: _____ has one central wire surrounded by insulation, a metallic shield, and a final case of insulating material.
Q: _____ uses a very thin glass or plastic fiber through which pulses of light travel.
Q: _____ is a bundle of copper wires used for transmitting voice or data communications.
Q: A virtual private network uses _____ to establish a secure channel for transmitting data.
Q: A(n) _____ is a microwave repeater located in space.
Q: A(n) _____ must be installed in each computer on the network.
Q: Coaxial cable (coax) has one central wire surrounded by insulation, a metallic shield, and a final case of insulating material.
Q: Infrared is a wireless communications medium that uses light waves to transmit signals or information.
Q: A repeater is a device that receives a radio signal, strengthens it, and sends it on.
Q: A virtual private network establishes a dedicated network connection between two ore more networks.
Q: Bandwidth refers to the capacity, or the amount of information, that can be transferred through a communications line in a given time.
Q: A computer network consists of at least five computers connected to one another.
Q: The most common wired transmission medium for home networks is Cat 5 cable, which is a cheaper version of the twisted-pair cable used for telephones.
Q: Dial-up Internet connection is considered a broadband channel.
Q: You cannot talk on the telephone while using a DSL Internet connection.
Q: Before you can establish a wireless network, you must contract with a wireless Internet service provider for Internet access.
Q: WiFi is a wireless communication technology that uses red light to send and receive information.
Q: Infrared communications can penetrate walls, buildings, and other structures.
Q: An Ethernet card uses a standard telephone jack to connect the computer to a network.
Q: A DS3 is a high-speed business network circuit and is about the same speed as a T1 line.
Q: Routers are powerful devices and those used by consumers normally include a hub or switch.
Q: In a small office, a broadband router is often used to connect several computers to a DSL network.
Q: A MAN covers a contiguous geographic area, such as an office, building, or a group of buildings in close proximity to each other.
Q: A shared network uses one central computer to send and receive messages for the connected computers.
Q: A satellite is a type of wired communications media.
Q: _____ is utility software that filters unwanted email for your inbox.
Q: Grocery stores and other similar businesses use _____ scanners during the check-out process, while other Point-of-Sale systems use _____ scanners.
Q: A(n) _____ is used to capture digital video and upload it to the Web.
Q: _____ printers use the same type of electrostatic process as used in photocopiers.
Q: A(n) _____ is approximately a trillion bytes.
Q: The _____ consists of electrical pathways that move information between basic motherboard components.
Q: A(n) _____ CPU can change speed and power consumption in response to different uses.
Q: A(n) _____ port is a serial port often used to connect keyboards or mice.
Q: _____ refers to a short-range radio wave connector.
Q: A telephone modem is a device that connects your computer to your phone line so that you can access another computer or network.
Q: _____ software helps you create and edit photos and art.
Q: A client/server network is a network in which one computer is a client and provides services to the other computers, which are called servers.
Q: _____ software helps you communicate with other people.
Q: Wireless communications media transmits information over a closed, connected path.
Q: _____ software helps you specify the logical organization for a database.
Q: A WAN covers a large geographic distance, such as a state, a country, or even the entire world.
Q: _____ permits you to use multiple software packages at the same time.
Q: _____ is a form of software that organizes information in the most efficient way on your hard drive.
Q: _____ is utility software that detects and removes software that tracks your Web activity.
Q: _____ software provides additional functionality to your operating system.
Q: _____ helps you perform personal tasks.
Q: _____ software is used to create letters, papers, or other basic documents.
Q: _____ software is used primarily with numbers to perform calculations and create graphs.
Q: _____ software is used to create and edit electronic slides. Presentation
Q: _____ software includes design and formatting techniques to enhance the appearance of a document.
Q: _____ helps you create and maintain to-do lists, calendars, and contacts.
Q: _____ software helps you maintain financial records.
Q: _____ software helps you design and develop Web pages.
Q: The CPU cache is a type of memory on the CPU.
Q: A(n) _____ is the wireless device that works in essentially the same way as the remote control on your TV.
Q: Processing instructions from RAM is faster than processing instructions stored in the CPU cache.
Q: The CPU clock runs at half the speed of a machine cycle.
Q: A CPU uses more power when running at higher speeds.
Q: Items connected to a USB port can never be hot swapped.
Q: A firewire port can support up to 53 daisy-chained devices.
Q: Firewire is also called WiFi.
Q: The Mac OS is more widely used than Windows XP.
Q: The _____ is the actual hardware that interprets and executes the software instructions and coordinates how all the other hardware devices work together.
Q: A(n) _____ is a fully functional computer designed for you to carry around and run on battery power.
Q: The physical devices that make up a computer (computer system) are known as _____.
Q: _____ software helps you save information if your system crashes and you're forced to turn it off and then back on again.
Q: A(n) _____ is a tool you use to capture information and commands.
Q: _____ is the temporary storage that holds the information you're working with, the application software you're using, and the operating system software you're using.
Q: _____ is the number of billions of CPU cycles per second.
Q: A(n) _____ is roughly 1 billion characters.
Q: Flash memory devices are usually small enough to fit on your key ring.
Q: The _____ interprets software instructions and literally tells the other hardware devices what to do, based on the software instructions.
Q: Multitasking allows you to work with more than one piece of software at a time.
Q: Open-source is only available for application software. A bit represents an on/off state, or a 0/1 state.
Q: Mainframe computers are designed to facilitate the needs of more people than minicomputers
Q: ASCII is an abbreviation for the American Standard Convention for Intelligent Interchange.
Q: Joysticks are commonly used input devices in most business settings.
Q: A gaming wheel consists of a steering wheel and foot petals used with virtual games.
Q: An image scanner is used to capture human physical attributes.
1 2 3 … 39

Subjects

Accounting Anthropology Archaeology Art History Banking Biology & Life Science Business Business Communication Business Development Business Ethics Business Law Chemistry Communication Computer Science Counseling Criminal Law Curriculum & Instruction Design Earth Science Economic Education Engineering Finance History & Theory Humanities Human Resource International Business Investments & Securities Journalism Law Management Marketing Medicine Medicine & Health Science Nursing Philosophy Physic Psychology Real Estate Science Social Science Sociology Special Education Speech Visual Arts