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30 Cards in this Set
- Front
- Back
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What does an oval represent in a flowchart
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the start and the stop
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What does a parallelogram represent in a flowchart
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The input and output operations
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What does the diamond represent in a flowchart
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The decision making operations
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What does a rectangle represent in a flowchart
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The operations that process input data and produce the output information
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what is a computer
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an electronic device used for storing and processing data, usually in binary form, according to instructions given to it in a variable program
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What is hardware
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it refers to the physical components that a computer is made up of
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a typical computer consists of the following components:
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The CPU, main memory, secondary storage devices, input and output devices.
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The CPU consists of two parts:
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the control unit and the arithmetic and logic unit
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When a program is running it follows these steps
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fetch, decode, execute
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what is RAM
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random-access memory also known as the main memory that hold the sequences of instructions in the programs that are running and the data those programs are using
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each byte is assigned a unique number known as
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an address
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what is seconday storage
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a type of memory that can hod data for long periods of time even when there is no power to the computer
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what is the most common type of secondary storage
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disk drive
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what is an input device
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information the computer collects from the outside world
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what is an output device
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information the computer sends to the outside world
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what is software
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programs that run on the computer
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what are the two general categories of software
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operating and application
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what is a program
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a set of instructions a computer follows in order to perform a task
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what is an algorithm
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a set of well-defined steps for performing task or solving a problem
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what is machine language
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a computer programming language consisting of binary or hexadecimal instructions that a computer can respond to directly
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what is a programming language
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a special language used to write computer programs
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what are high-level languages
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programming language that are closer to human-readability than computer readability.
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what is source code
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the statements written by the programmer
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if the program is free of syntax errors the compiler stores the translated machine language instructions which are called
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object code in an object file
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what is an IDE
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integrated developmental environment, text editor, compile, and debgger
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what does portability mean
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a program that can be written on one type of computer and then run on many other types of systems
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what is a syntax
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rules that must be followed when constructing a program
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what is a variable
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a named storage location in the computers memory for holding a piece of information
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What is the programming process
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design, creation, testing, and debugging
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what is a flowchart
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a diagram that shows the logical flow of a program
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