Computer Hardware
characteristics of desktop computers
-desktops are often used in offices since they do not need to be mobile -desktops use a full OS -desktops allow for relatively easy upgrade and expansion
order of steps of the machine cycle
1. fetch 2. decode 3. execute 4. store
the ______ coding language uses 8 bits to represent a byte of information
ASCII
allows for the transmission of high-def audio and video signals
HDMI
equals one cycle (instruction) per second
Hertz
what company is the world's largest manufacturer of processors?
Intel
the interface and connectivity of digital musical devices to computers is accomplished by using
MIDI
equal to one million cycles per second
Megahertz
company produces popular mobile device processors
Nvidia
allows for data transfer between devices and for devices to be electrically charger
USB
the most common connector for connecting peripherals (printers, monitors, storage devices) to a computer
USB
a channel over which information flows inside a computer
bus
the amount of data that can be transmitted at any given time
bus width
the amount of instructions the CPU can process per second is dictated by the _____ speed of the processor
clock
a digital device that accepts input, processes, and stores the input , and provides output is a ________
computer
on a cable, ____ is the end that connects to a port
connector
contains a traditional (magnetic) hard drive
dell desktop computer
____ commonly used for connecting devices in a network
ethernet cable
1 billion bytes of data
gigabyte
typical hard drives are measured in
gigabytes and terabytes
equal to one billion cycles per second
gigahertz
images displayed on a laptop are usually created by a separate processor within the computer called the ________________
graphics processing unit (GPU)
1 thousand bytes of data
kilobyte
-mobile -integrated keyboard, monitor, and touchpad -full operating system
laptop computers
1 million bytes of data
megabyte
can a digital device function without a processor
no
does the control unit perform all arithmetic operations in a digital device
no
one terabyte is equal to approximately _____ bytes
one trillion
a type of computer drive that writes and reads data using lasers is called a ______
optical drive
a type of computer drive that writes and reads data using lasers is called a __________
optical drive
1,000 terabytes of data
petabyte
a technology that enables the OS to detect and configure peripherals without downloading software or drivers
plug and play
a slot or hole that matches the cord or expansion card being connected
port
the _______ of monitors and other display devices is measured in pixels
resolution
cache contains frequently accessed data and is _______ than RAM
smaller
devices that allow for the retention of data when your computer has been shut down, so that the data can be retrieved for future use are called _______ devices
storage
1 trillion bytes of data
terabyte
a type of firewire port commonly found on apple computers
thunderbolt
the amount of bits a processor can work with at any given time is referred to as
word size