Input Devices
____________ are any peripheral (piece of computer hardware equipment to provide data and control signals to an information processing system such as a computer or other information appliance.
RAM stands for
Random access memory
solid state and hard disk
motherboard
Output devices receive information from the computer, and carry data that has been processed by the computer to the ____________.
user
The five parts of any computer system are input devices, memory, output devices, and ____________
Storage devices
Two metrics of performance for a CPU are the __________________ and the __________________.
Number of cores; clock speed.
Most computers have a graphics processing unit built into the _________________________.
motherboard
__________ busses communicate with devices inside the computer; _______________ busses communicate with devices outside the computer.
Inside; outside
An optical disk drive (ODD) is an example of _________________.
An input AND output device.
ROM stands for
Read-only memory.
One drawback to solid state drives is that they are _________________ than hard disk drives.
smaller in space.
The three components of the CPU are the _________________________, ___________________ and _______________________.
arithmetic logic unit, control unit, registers.
A refresh rate of 120 Hz means the display will refresh the image _________ per second.
120 times per second.
The mechanical parts of a computer are known as ____________________.
hardware
A CPU with a clock rate of 1.8 GHz can perform ____________________________clock cycles per second.
1.8 billion
A good metric of video card performance is
NIC stands for
network interface card
The most common examples of input devices are mouses, keyboards, _______________ and ______________.
_________________ requires the flow of electricity to retain data.
RAM
Which is newer technology - hard disk drives or solid state disk drives?
hard disk drives
In the CPU, the _______________ contain short-term memory necessary to complete computations.
registers
___________ ___________ is a measurement of its display area in pixels, given in (width × height-pixels).
Screen resolution
The operating system: hardware or software?
software
The function of the chipset is to ______________________________________.
PCI stands for
Peripheral component interconnect cards
The sample rate of a sound card is measured in
kilohertz
A printer/scanner is an example of _______________.
An input/output device.
RAM is a type of _________ memory, meaning the data in RAM is not permanently written. When you power off your computer the data stored in RAM is deleted
volatile
The hard drive is where your _________, ________ and other files are stored.
software, documents
The _____________________ conducts are the mathematical and logical computation in the CPU.
Arithmetic logic unit (ALU)
A largely obsolete type of computer monitor is known as ___________________________.
Cathode ray monitors.
When building a computer, the first decision you need to make is to buy a/an __________________.
chassis
The two parts of the chipset are known as ________________________ and the ___________________.
northbridge and the southbridge
A ROM chip can be as large as
8 megabytes
The resolution of a sound card is measure in _____________.
bits
An input device translates date from a form that _______________ understand to a type that _______________________ understand.
humans;computers.
Data that instructs the computer how to start up is written in the _____________.
ROM
The speed of a hard drive is measured in ___________, which stands for ______________________.
IOPS (input operations per second)
Clock speed is measured in _______________.
gigahertz.
_____________ printers are better for high-volume printing; _____________ printers are better for detailed printing.
laser; ink jet.
alternate current; direct current
The two measures for the size of memory are _______________ and _________________.
gigabytes and megabytes
RAM chips can be as large as
256 gigabytes
heat sinks