1
a socket for external devices to connect to system unit
port
FireWire, USB, PCIe
device used by banks to automatically read those usual numbers on the bottom of checks and deposit slips
MICR
a ______ accepts documents consisting of text/images and converts them to machine-readable form
scanner
what bandwidth is used in special leased lines to connect midrange computers and mainframes as well as to transmit data over long distances
medium band
the mainboard, or motherboard is also known as the
system board
the number of times the CPU can fetch and process data or instructions in one second is known as its
clock speed
the monitor feature that indicates the ability to display images
contrast ratio
this hard disk performance enhancement anticipates data needs
disk caching
what type of network has nodes that are in close proximity to one another, such as within the same building
LAN
this type of memory divides large programs into parts and stores the parts on a secondary storage device
virtual
this provides pathways to connect parts of the CPU to each other
bus
this pointing device allows users to select actions or commands by touching the screen with a finger or penlike device
touchscreen
this type of storage uses pits and lands to represent 1s and 0s
optical
this generation of mobile telecommunications improved data speeds and introduced widespread use of the internet on cell phones
3G
computers can only recognize this type of electronic signal
these memory chips have information stored in them that cannot be changed by the user
ROM
very large storage system that protects data by constantly making backup copies of files moving across an organizations network is known as
RAID
the amount of time required by a storage device to retrieve data and programs is called its
access speed
the bandwidth typically used for DSL, cable, and satellite connections to the internet
broadband
the expansion card that is used to connect a computer to a network
network interface
often used to score standardized multiple-choice tests, this device sense the presence or absence of a mark, such as a pencil mark
OMR
an organizational strategy to promote efficient and safe use of data across the networks
enterprise storage system
this type of network spans up to 100 miles and is often used to connect office buildings that are located throughout a city
MAN
______ control and coordinate the activities of all computers and other devices on a network, including electronic communication and sharing of information and resources
network operating systems