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Information Systems - Hardware
CC-BY-SA source: https://en.wikiversity.org/wiki/Information_Systems/Hardware
Terms in this set (55)
A collection of physical elements that make up a computer system.
power supply unit (PSU)
Converts general purpose electric current from the mains to direct current for the other components of the computer.
Data storage device using rapidly rotating discs coated with reflective material and read using a laser diode.
hard disk drive (HDD)
Data storage device used for storing and retrieving digital information using rapidly rotating disks (platters) coated with magnetic material.
solid state drive (SSD)
Data storage device using integrated circuit assemblies as memory to store data persistently.
Processes the graphics output from the motherboard and transmits it to the display.
network interface controller (NIC)
A computer hardware component that connects a computer to a computer network.
A set of rules and methods that describe the functionality, organization and implementation of computer systems.
ASCII (American Standard Code for Information Interchange)
An eight-bit character encoding scheme used on personal computing devices.
Products designed for a new standard that can also receive, read, view or play older standards or formats.
A standard-sized area for adding hardware to a computer.
A system of representing letters, numbers or other characters using the digits 0 and 1.
bit (binary digit)
The basic unit of information in computing and digital communications which can have only one of two values, most commonly represented as either a 0 or 1.
A communication system that transfers data between components inside a computer, or between computers.
A unit of digital information in computing and telecommunications that consists of eight bits, permitting the values 0 through 255 and used to encode a single character of text.
A component that stores data so future requests for that data can be served faster.
A set of loosely or tightly connected computers that work together so that, in many respects, they may be viewed as a single system.
A general-purpose device that can be programmed to carry out a set of arithmetic or logical operations automatically.
CPU (Central Processing Unit)
The electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
A set of values of qualitative or quantitative variables identified as individual pieces of information.
Data that is represented using discrete (discontinuous) values.
EBCDIC (Extended Binary Coded Decimal Interchange Code)
An 8-bit character encoding scheme used mainly on IBM mainframe and IBM midrange computer operating systems.
A printed circuit board that can be inserted into a computer to add functionality to the system.
An interface to connect peripheral devices to a computer, usually a laptop computer, created in 2003.
A resource for storing information, which is available to a computer program and is usually based on some kind of durable storage.
The combination of a hardware device, e.g. an integrated circuit, and computer instructions and data that reside as read-only software on that device.
A unit of digital information equal to 10^9 (1 billion) bytes.
A unit of frequency defined as 10^9 (1 billion) cycles per second.
GPU (graphics processor unit)
A specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display.
The collection of physical elements that constitutes a computer system.
A unit of frequency defined as one cycle per second.
Signals or data received by a computing system.
That which may be derived from data and knowledge.
A unit of digital information equal to 10^3 (1 thousand) bytes.
A unit of digital information equal to 10^6 (1 million) bytes.
Primary storage devices used to store information for immediate use in a computer.
A unit of frequency defined as 10^6 (1 million) cycles per second.
A multipurpose, programmable device that accepts digital data as input, processes it according to instructions stored in its memory, and provides results as output
The main printed circuit board (PCB) found in computers and other expandable systems.
A single computing component with two or more independent processing units.
The use of two or more central processing units (CPUs) within a single computer system.
A concept of performing multiple processes by executing them concurrently.
The manipulation of matter on an atomic, molecular, and supramolecular scale.
A computing device that uses photons rather than electrons for computation.
Signals or data sent from a computing system.
The simultaneous use of more than one CPU or processor core to execute a program or multiple computational threads.
A unit of digital information equal to 10^15 (1 quadrillion) bytes.
A parallel communication peripheral interface designed for laptop computers in 1990.
An interface between the computer and other computers or peripheral devices.
A computing device that uses subatomic particles rather than electrons for computation.
RAM (Random-Access Memory)
Volatile data storage directly accessible by the processor.
ROM (Read-Only Memory)
A class of computer data storage which cannot be modified.
Non-volatile data storage not directly accessible by the processor.
A unit of digital information equal to 10^12 (1 trillion) bytes.
An encoding scheme that uses 8, 16, or 32 bits to represent text expressed in most of the world's writing systems.
THIS SET IS OFTEN IN FOLDERS WITH...
Information Systems - Peripherals
Information Systems - Operating Systems
Information Systems - Applications
Information Systems - Networking
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