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| Get data from the “outside world”. This might be reading data from a file, or even some kind of sensor like a microphone or GPS. In our initial programs, our input will come from the user typing data on the keyboard. |
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| Display the results of the program on a screen or store them in a file or perhaps write them to a device like a speaker to play music or speak text. |
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| Perform statements one after another in the order they are encountered in the script. |
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| Check for certain conditions and then execute or skip a sequence of statements. |
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| Perform some set of statements repeatedly, usually with some variation. |
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| Write a set of instructions once and give them a name and then reuse those instructions as needed throughout your program. |
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| The heart of any computer. It is what runs the software that we write; also called “CPU” or “the processor”. |
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| To translate a program written in a high-level language into a low-level language all at once, in preparation for later execution. |
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| AprogramminglanguagelikePythonthatisdesignedtobe easy for humans to read and write. |
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| A way of using the Python interpreter by typing commands and expressions at the prompt. |
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| To execute a program in a high-level language by translating it one line at a time. |
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| A programming language that is designed to be easy for a computer to execute; also called “machine code” or “assembly language”. |
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| The lowest-level language for software, which is the language that is directly executed by the central processing unit (CPU). |
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Definition
| Stores programs and data. Main memory loses its information when the power is turned off. |
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| To examine a program and analyze the syntactic structure. |
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| A property of a program that can run on more than one kind of computer. |
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| An instruction that causes the Python interpreter to display a value on the screen. |
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| The process of formulating a problem, finding a solution, and expressing the solution. |
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| A set of instructions that specifies a computation. |
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When a program displays a message and pauses for the user to type
some input to the program. |
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Definition
| Stores programs and data and retains its information even when the power is turned off. Generally slower than main memory. Ex- amples of secondary memory include disk drives and flash memory in USB sticks. |
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| The meaning of a program. |
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An error in a program that makes it do something other than
what the programmer intended. |
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Definition
| A program in a high-level language. |
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