Intro to Computers Mid-term
removable
Often the storage device and storage medium are two separate pieces of hardware (that is, the storage medium is ____).
megapixels
One factor affecting digital camera quality is the number of pixels, measured in ____, used to store the data for each image.
CPU clock speed
One measurement of the speed of a CPU is the ____, which is rated in megahertz (MHz) or gigahertz (GHz)
Windows registry
One reason a computer might become inefficient is that when programs are uninstalled, pieces of the program are sometimes left behind or references to these programs are left in operating system files such as the ____.
False
Optical character recognition (OCR) is a technology used primarily by the banking industry to facilitate check processing
True
PHOLED technology is especially appropriate for use on mobile devices, consumer electronics, and other devices where power consumption is an important concern.
logical drives
Partitions are sometimes referred to as ____.
True
Pipelining increases the number of machine cycles completed per second
OLED
Plasma displays use a layered technology like LCD and ____ and look similar to LCD displays.
pages per minute (ppm)
Print speed is typically measured in ____.
ALU
The ____ is the section of a CPU core that performs arithmetic involving integers and logical operations.
prefetch unit
The ____ orders data and instructions from cache or RAM based on the current task.
CRT monitor
The ____ used to be the norm for desktop computers.
True
The binary numbering system uses only two symbols—the digits 0 and 1—to represent all possible numbers.
folder
Although both the user and the computer use drive letters, ____ names, and filenames to save and retrieve documents, they perceive them differently.
file
Anything (such as a program, letter, digital photograph, or song) stored on a storage medium is referred to as a(n) ____.
Python
Application programs can help users write their own programs in a form the computer can understand using a programming language such as Visual Basic, COBOL, C++, Java, or ____.
True
Automating the data entry process is referred to as source data automation.
read-only
CD-ROM discs and DVD-ROM discs are ____ optical discs that come prerecorded with commercial products.
mouse
Common input devices include the keyboard, ____, and integrated video cameras.
True
Computer literacy is knowing about and understanding computers and their uses.
desktop computers
Conventional personal computers that are designed to fit on or next to a desk are often referred to as ____.
False
Display device size is measured diagonally from corner to corner as opposed to the way TV screens are measured.
True
Each pixel in a monochrome graphic can be only one of two possible colors (such as black or white).
gas plasma
The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), ____, and e-paper.
True
The number of bits being transmitted at one time is dependent on the bus width.
sectors
The surface of a hard disk is organized into tracks and pie-shaped groups of ____.
storage
The types of ____ systems used with personal and business computers today include smart cards.
search sites
There are a number of special Web pages, called ____, available to help you locate what you are looking for on the Internet.
False
To begin to use a computer, the user first turns on the power by pressing the power button, and then the computer displays a prompt for the user to decide the next course of action.
USB hub
To connect multiple USB devices to a single USB port, a ____ can be used.
e-mail addresses
To contact people using the Internet, you most often use their ____.
address
To navigate to a new Web page for which you know the URL, type that URL in the browser's ____ bar and press Enter.
lithography
Today's CPUs are formed using a process called ____ that imprints patterns on semiconductor materials
True
Users do not have to be concerned with how files are physically stored on a storage medium
frames
Video data—such as home movies, feature films, video clips, and television shows—is displayed using a collection of ____.
True
While the memory used for disk caching can be a designated portion of RAM, today's hard drives typically use a disk cache consisting of memory chips located on a circuit board inside the hard drive case.
pixel
With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality.
Emoticons
____ are illustrations of faces showing smiles, frowns, and other expressions that are created with keyboard symbols.
Portable barcode readers
____ are particularly useful for individuals who need to scan barcodes while on the go.
Biometric readers
____ are used to input data about a person so that the individual's identity can be verified based on a particular unique physiological characteristic.
Flash memory
____ consists of nonvolatile memory chips that can be used for storage by the computer or the user.
Ink-jet printers
____ form images by spraying tiny drops of liquid ink onto the page, one printed line at a time.
RAID (redundant arrays of independent disks)
____ is a method of storing data on two or more hard drives that work together.
Function
____ keys on a keyboard are used for issuing commands in some programs.
Random access
____ means that data can be retrieved directly from any location on the storage medium, in any order.
Input
____ occurs when data is entered into the computer.
Netiquette
____ refers to guidelines for online behavior.
Apps
____ that allow individuals to perform specific tasks are launched via the operating system, such as by using the Windows Start menu on Windows computers.
computer network
A ____ is a collection of computers and other devices that are connected in order to enable users to share hardware, software, and data, as well as to communicate electronically with each other.
cache
A ____ is a place to store something temporarily.
storage server
A ____ is a separate piece of hardware containing multiple high-speed hard drives.
bus
A ____ is an electronic path over which data can travel.
barcode
A ____ is an optical code that represents data with bars of varying widths or heights.
kilobyte (KB)
A ____ is approximately 1,000 bytes.
mobile device
A ____ is loosely defined as a small device that has built-in computing or Internet capability
storage medium
A ____ is the hardware where data is actually stored.
pixel
A ____ is the smallest colorable area on a display device.
bit
A ____ is the smallest unit of data that a binary computer can recognize.
mouse
A ____ typically rests on the desk or other flat surface close to the user's computer, and it is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen.
True
A common RAID technique is disk mirroring, in which data is written to two duplicate drives simultaneously.
modems
A variety of ____ and network adapters are available to communicate electronically because there are different types of Internet and network connections.
Thunderbolt
External hard drives typically connect to a computer via an external port (such as a USB or ____ port) or a wireless connection.
dots per inch (dpi)
In a printer, the number of ____ affects the quality of printed output.
True
In addition to a keyboard, most computers today are used in conjunction with some type of pointing device.
False
In addition to hardware, software, data, and procedures, the fifth major component of a computer system are codes.
audio data
Like graphics data, ____—such as a song or the sound of someone speaking—must be in digital form in order to be stored on a storage medium or processed by a computer.
NTFS
Most Windows computers typically use ____, which supports much larger hard drives and files than the older FAT32 and includes better security and error-recovery capabilities.
True
Remote storage services accessed via the Internet are often referred to as cloud storage.
False
Satellite communication (more commonly called s-com) is the process of exchanging electronic messages between individuals over a network—usually the Internet.
uniform resource locator (URL)
Similar to the way an IP address or domain name uniquely identifies a computer on the Internet, a ____ uniquely identifies a specific Web page.
True
Small office networks enable workers to access company records stored on a network server.
True
Storage devices can be internal (located inside the system unit), external (plugged into an external port on the system unit), or remote (located on another computer).
USB standard
The ____ allows 127 different devices to connect to a computer via a single USB port on the computer's system unit.
bus interface unit
The ____ allows a core to communicate with other CPU components, such as the memory controller and other cores.
SIM
The ____ cards used with mobile phones today are a special type of smart card.
False
USB ports are used to connect a computer to a phone outlet via telephone connectors.
Ultrabooks
Ultraportables conforming to Intel's standards can be marketed as ____.