Computers Chapter 3: Computers and Mobile Devices
Some people use the term _____________ to refer to the case that contains and protects the motherboatd, hard disk drive, memory, and other electronic components of the computer from damage
System Unit
Some people use the term, ______, to refer to the case that contains and protects the motherboard, hard disk drive, memory, and other electronic components of the computer from damage.
System Unit
Cars equipped with wireless communications capabilities, called ________ , include features such as navigation systems, remote diagnosis and alerts, and Internet access
Telematics
A ________ is a computer, usually with limited processing power, that enables users to send data to and/or receive information from a server, or host computer.
Terminal
True or False: Because embedded computers are components in larger products, they usually are small and have limited hardware
True
True or False: Because the processor in a computer is particularly sensitive to current fluctuations, you always should use a surge protector.
True
True or False: Dedicated servers typically require a faster processor, more memory, and additional storage
True
True or False: Malware authors focus on social media, with the goal of stealing personal information
True
True or False: Most smartphones also can function as portable media layers and digital cameras
True
True or False: Some mobile devices allow you to transfer photos using wireless technologies such as Bluetooth and Wi-Fi.
True
True or False: Instead of the term, port, the term, connector, sometimes is used to identify audio and video ports`
False
True or False: An offline UPS always runs off the battery
False. An online UPS always runs off the battery
True or False: Most computers and electronic devices are analog, which use only two discrete states: on and off.
False. Most computers and elevtonic devices are digital.
True or False: Newer versions of USB are backward compatible, which means they support only new USB devices, not older ones
False. Newer versions of USB support both new and old ones.
True or False: Most traditional and ultrathin laptop and ultrabook screens range in size from 7-10 inches, and most tablet and netbook screens range in size from 11-18 inches.
False. Tablets and netbooks are 7-10 inches. Laptops and Ultrabooks are 11-18 inches
True or False: Although they can save space, all-in-one desktops usually are more expensive than a system unit and monitor purchased separately
False. All-in-one desktops usually are less expensive than a system unit and monitor purchased separately
A(n) ________ computer has duplicate components so that it can continue to operate when one of its main components fail.
Fault-tolerant
Some desktops, called a(n) _____________, do not have a tower and instead house the screen and system unit in the same case
All-in-one desktop
Spam
An unsolicited email message or posting sent to many recipients or forums at once
A dedicated server that backs up and restores files, folders, and media is referred to as a(n) _____________.
Backup server
A four- or five- digit number assigned to a a specific content or mobile service provider is referred to as a(n) _____________.
CSC
The processor that interprets and carries out instructions inside a computer is called
Central Processing Unit
Businesses use ________ computing to more efficiently use resources, such as servers and programs, by shifting usage and consumption of these resources from a local environment to the Internet.
Cloud
Blackout
A complete power failure
Server
A computer devoted to providing on or more services to other computers on devices on a network
Handheld Computer
A computer small enough to fit in one hand
Phablet
A device that combines the features of a smartphone with a tablet
Tower
A frame made of metal or plastic that houses the system unit on a desktop
Mainframe
A large, expensive, powerful server that can handle hundreds or thousands of connected servers simultaneuously
Brownout
A prolonged (more than a minute) undervoltage
Spike
Electrical disturbance that occurs when the increase in power lasts for less than one millisecond (thousandth of seconds)
Computer
Electronic device, operating under the control of instructions stored in its own memory, that can accept data (input), process the data according to specified rules, produce information (output), and store the information for future use
A(n) ________ is a special-purpose computer that functions as a component in a larger product.
Embedded computer
________ is an applied science devoted to incorporating comfort, efficiency, and safety into the design of items in the workplace.
Ergonomics
Two main components on the ________ are the processor and memory.
Motherboard
Examples of a(n) ________ device include keyboard, mouse, microphone, monitor, printer, USB flash drive, scanner, webcam, and speakers
Peripheral
Technology-related ________ include tendonitis and carpal tunnel syndrome.
RSIs
Services provided by ________ include storing content and controlling access to hardware, software, and other resources on a network.
Servers
Services provided by _____________ include storing content and controlling access to hardware, software, and other respurces on a network.
Servers
Earbuds
Small speakers that rest inside each ear canal
Processor
The electronic component of a computer that interprets and carries out the basic instructions that operate a computer
Supercomputer
The fastest, most powerful computer- and the most expensive
Resolution
The number of horizontal and vertical pixels in a display device.
Port
The point at which a peripheral device attaches to or communicates with a computer or mobile device so that the peripheral device can send data to or receive information from the computer
Virtualization
The practice of sharing or pooling computing resources, such as servers and storage devices
Pixel
The smallest element in an electronic image
Tablet
Thin, lighter weight mobile computer that has a touch screen, usually smaller than a laptop but larger than a phone
Laptop
Thin, lightweight mobile computer with a screen in its lid and a keyboard in its base designed to fit on your lap
A(n) _____________ can connect up to 127 different peripheral devices together with a single connector.
USB Port
Power users may work with a high-end desktop, sometimes called a(n) _____________, that is designed to handle intense calculations and powerful graphics.
Workstation
Your collection of stored digital media is called a ________
media library