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Stack #263858
| Question | Answer |
|---|---|
| CPU | A central processing unit (CPU) or processor is an electronic circuit that can execute computer programs, which are actually sets of instructions. |
| operating system | An operating system is an interface between hardware and user. An OS is responsible for the management and coordination of activities and the sharing of the resources of the computer. |
| user interface | The user interface is the aggregate of means by which people—the users—interact with the system—a particular machine, device, computer program or other complex tool. |
| GUI | A graphical user interface (GUI) is a type of user interface which allows people to interact with electronic devices such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipm |
| application | Application software is a computer program that functions and is operated by means of a computer, with the purpose of supporting or improving the software user's work. |
| applet | An applet is any small application that performs one specific task; sometimes running within the context a larger program perhaps as a plugin. |
| bit | In computing and telecommunications a bit is a basic unit of information storage and communication; it is the maximum amount of information that can be stored by a device or other physical system that can normally exist in only two distinct states. |
| byte | byte (pronounced /ˈbaɪt/) is a basic unit of measurement of information storage in computer science. In many computer architectures it is a unit of memory addressing. |
| hexadecimal | In mathematics and computer science, hexadecimal (also base-16, hexa, or hex) is a numeral system with a radix, or base, of 16 |
| peripheral | A peripheral is a device attached to a host computer behind the chipset whose primary functionality is dependent upon the host, and can therefore be considered as expanding the hosts capabilities, while not forming part of the system's core architecture. |
| controller | A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems. |
| data transfer device | A portable devise capable of downloading and uploading information. |
| I/O & I/O devices | input/output, or I/O, refers to the communication between an information processing system (such as a computer), and the outside world – possibly a human, or another information processing system. |
| main memory | Refers to physical memory that is internal to the computer. The word main is used to distinguish it from external mass storage devices such as disk drives. Another term for main memory is RAM |
| secondary memory | Secondary memory (or secondary storage) is the slowest and cheapest form of memory. It cannot be processed directly by the CPU. It must first be copied into primary storage. |
| memory address | In computer science, a memory address is an identifier for a memory location, at which a computer program or a hardware device can store data and later retrieve it. |
| kilobyte | Kilobyte (derived from the SI prefix "kilo-", meaning 1,000) is a unit of digital information storage equal to either 1,000 bytes (103) or 1,024 bytes (210), depending on context |
| volatile & nonvolatile | Non-volatile memory, nonvolatile memory, NVM or non-volatile storage, is computer memory that can retain the stored information even when not poweredVolatile memory, also known as volatile storage, is computer memory that requires power to maintain the st |
| direct & random access | random access (sometimes called direct access) is the ability to access an arbitrary element of a sequence in equal time. |
| RAM | Random-access memory (usually known by its acronym, RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order. |
| control unit | A control unit in general is a central (or sometimes distributed but clearly distinguishable) part of whatsoever machinery that controls its operation, provided that a piece of machinery is complex and organized enough to contain any such unit. |
| ALU | In computing, an arithmetic logic unit (ALU) is a digital circuit that performs arithmetic and logical operations. |
| clock speed | The clock rate is the fundamental rate in cycles per second (measured in hertz) for the frequency of the clock in any synchronous circuit. |
| packets | In information technology, a packet is a formatted unit of data carried by a packet mode computer network. |
| LAN | A local area network (LAN) is a computer network covering a small physical area, like a home, office, or small group of buildings, such as a school, or an airport. |
| ARPA | arpa is an Internet top-level domain (TLD) used exclusively for Internet infrastructure purposes. The name is a backronym for Address and Routing Parameter Area. |
| TCP | The Transmission Control Protocol (TCP) is one of the core protocols of the Internet Protocol Suite. TCP is one of the two original components of the suite (the other being Internet Protocol, or IP), so the entire suite is commonly referred to as TCP/IP. |
| IP | The Internet Protocol (IP) is a protocol used for communicating data across a packet-switched internetwork using the Internet Protocol Suite, also referred to as TCP/IP. |
| IP Address | An Internet Protocol (IP) address is a numerical identification and logical address that is assigned to devices participating in a computer network utilizing the Internet Protocol for communication between its nodes. |
| domain name | A domain name is an identification label that defines a realm of administrative autonomy, authority, or control in the Internet, based on the Domain Name System (DNS). |
| DNS | The Domain Name System (DNS) is a hierarchical naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participants. |
| HTML | HTML, which stands for Hypertext Markup Language, is the predominant markup language for web pages. It provides a means to create structured documents by denoting structural semantics for text. |
| decimal | The decimal (base ten or occasionally denary) numeral system has ten as its base. It is the most widely used numeral system. |
| binary | The binary numeral system, or base-2 number system represents numeric values using two symbols, usually 0 and 1. More specifically, the usual base-2 system is a positional notation with a radix of 2. |
| terabyte | A terabyte is a SI-multiple (see prefix tera) of the unit byte for digital information storage and is equal to 1012 (1000000000000) bytes or 1000 gigabytes. The terabyte is abbreviated with the symbol TB. |
| gigabyte | Gigabyte is an SI-multiple of the unit byte for digital information storage. |
| megabyte | Megabyte is an SI-multiple (see prefix mega) of the unit byte for digital information storage or transmission and is equal to 106 (1000000) bytes. |
| ROM | Read-only memory (usually known by its acronym, ROM) is a class of storage media used in computers and other electronic devices. |
| WAN | Wide Area Network (WAN) is a computer network that covers a broad area (i.e., any network whose communications links cross metropolitan, regional, or national boundaries. |
Created by:
donbuchholz