Chapter 1 Vocab Flashcards
Assembly language
A computer language that allows the programmer to express operations and memory addresses with mnemonic symbols
application software
Programs that allow human users to accomplish specialized tasks, such as with processing or database management
Auxiliary input/output (I/O)
Examples: printers and scanners
Auxiliary storage device
A medium external to primary memory, such as a disk or flash stick, which can store data.
Bit/Binary digit
(1) A binary digit
(2) A digit, either zero or one, in the binary number system. Program instructions are stored in memory using a sequence of binary digits.
Central processing unit (CPU)
A major hardware component that consists of the arithmetic/logic unit and the control unit
Hardware
The computing machine and it’s support devices
Information hiding
A condition in which the user of a module does not know the details of how it is implemented, and implementer of a module does not know the details of how it is used
Instance variables
Storage for data in an instance of a class
Internal memory
A synonym for primary memory or random access memory (RAM)
Machine language
The language used directly by the computer in all it’s calculations and processing
Network connection
Yes
Object–oriented programming
The construction of software systems that use objects
Primary memory
The high–speed internal memory of a computer, also referred to as random access memory (RAM)
RAM (Random access memory)
In which the time required to access data is independent of their position
Secondary memory
An auxiliary device for memory, usually a disk or magnetic tape
Software
Programs that make the machine (the hardware) do something, such as word processing, database management, or games.
Software development lifecycle (SDLC)
The process of development, maintenance, and demise of a software system. Phases include analysis, design, coding, testing/verification, maintenance, and obsolescence
System software
The programs that allow users to write and execute other programs, including operating systems such as Windows and Mac OS
Ubiquitous computing
A situation in which computational resources are accessible to people no matter where they are
User interface
Software that enables human users to interact with a program
Waterfall model
A series of steps in which a software system trickles down from analysis to design to implementation
Byte
A sequence of bits used to encode a character in memory
