CSC 121 – Flashcards
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When a program runs on a computer, the part of the computer that carries out the instructions is called the
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CPU
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When a program runs on a computer, it is stored in
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RAM
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At each step of its operation, the input to a Central Processing Unit is
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an instruction
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RAM, random-access memory, is called that because
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you can pick any two random locations and it will take the same time to access the data
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When a program is not running, it is stored on a
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disk
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An operating system allocates resources like _____ to _______
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memory.....programs that are running
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Application Software is any software that runs with the
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support of the operating system
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Monitors, printers, and status lights are all examples of ________ devices
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output
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Mice, trackpads, keyboards, scanners, and joysticsks are all examples of _______ devices
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input
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A bit is
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a binary digit, like 0 or 1
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Flash drives, CD's, and external disks are all examples of
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external memory
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A byte in memory is identified by a unique number called its
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address
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A programmable language allows us to express
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an algorithm
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Is HTML a programmable language?
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No
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The ability of a language to let a programmer develop a program on computer system that can be run on other systems is called
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portability
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The code that a programmer writes is called
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source code
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True or False: machine languages can be used to write programs that can run on any macine
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false
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A compiler translates
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source code into executable code
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True or False: An algorithm allows ambiguity
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false
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The rules that govern the correct order and usage of the elements of a language are called the
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syntax
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Words that have a special meaning in a programming language are called
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key words
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True or False: Key words are case sensitive
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True
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True or False: Indentifiers may start with a number
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false
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A location in memory used for storing data and given a name in a computer program that can be changed is called a
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variable
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An identifier that cannot be used as a variable name is known as a
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reserved word
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True or False: int is a reserved word
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true
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True or False: public is a reserved word
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true
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True or False: main is a reserved word
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false
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True or False: static is a reserved word
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true
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True or False: void is a reserved word
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true
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The purpose of running a program with different combinations of data is to expose ______ errors and ______ errors.
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run-time......logical
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In object-oriented programming a class is
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a model or template from which objects are created
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In object-oriented programming a method is
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code that allows access to an objects attributes or that carries out some other action for the object
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Compilers translate the instructions written by the programmer into _____ code.
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object
