Zusammenfassung der Ressource
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An algorithm can be defined as...
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defined set of steps that can be used to complete a task.
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a set of steps that can be used to complete a task.
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a random set of steps that can be used to complete a task.
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an order of doing things correctly to complete something.
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Sequence is when...
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instructions are executed one after another.
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instructions are executed one after another in a series.
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instructions are executed by the user.
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instructions are executed one after another but not always in series.
Frage 3
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Selection is when...
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a program will execute instructions regardless of what the use does.
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a program will execute certain instructions based upon the users actions.
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a program will execute certain instructions based on conditions.
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a program will execute all instructions regardless of what the user does.
Frage 4
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Selection statements include...
Frage 5
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In computer programming 'iteration' is used to...
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loop around and around a piece of code until the correct answer is chosen.
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loop around a piece of code until a condition is met that activates the next part of the program.
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loop around and around a piece of code until a condition is met that ends the iteration.
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loop twice around a piece of code until a condition is met that ends the iteration.
Frage 6
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In programming a translator is used to convert different programming languages into machine code. There are
three types...
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Assembler, interpreter & compiler.
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Assembler, identifier & compiler.
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Assembler, identifier & interpreter.
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Compiler, identifier & interpreter.
Frage 7
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An interpreter is a translator that converts high level languages into machine code. It does this by...
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working three lines at a time, checking syntax, converting to machine code and executing the code.
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working one line at a time, converting to machine code, checking syntax and executing the code.
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working one line at a time, checking syntax, converting to machine code and executing the code.
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working three lines at a time, converting to machine code, checking syntax and executing the code.
Frage 8
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A compiler is a translator that converts high level programming languages into machine code. It does this by...
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working through the whole program (source code), checking the syntax, then converting to machine code and creating an object. The object code is executed not the source code.
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working through the whole program (source code), then converting to machine code and creating an executable object. The object code is executed not the source code.
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working through the whole program (source code) one line at a time, checking the syntax, then converting to machine code and creating an executable object. The object code is executed not the source code.
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working through the whole program (source code), checking the syntax, then converting to machine code and creating an executable object. The object code is executed not the source code.
Frage 9
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An assembler translator...
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converts assembly language programs into machine code.
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converts programs created in any language into machine code
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converts programs created in any high level language into machine code
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Syntax is a set of rules that defines how a program statements must be written in order for the translator to understand them. A syntax error is...
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an error in the spelling of program statements.
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an error in the format of the program statements such as missing keywords.
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an error in the format of the program statements such as missing semi-colons or keywords spelt incorrectly.
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an error in the punctuation of program statements.
Frage 11
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Logic errors in programs are...
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errors in program statements that means the outcome is unexpected, even though the program will run.
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errors in the algorithm that means the outcome is expected, even though the program will run.
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errors in the algorithm that means the outcome is unexpected, even though the program will run.
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errors in the algorithm that means the outcome returns nothing as the program will not run.
Frage 12
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An integer is a data type that typically takes up 2 bytes of memory. Which of the following is an integer?
Frage 13
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A real number (or float) is a data type for fractional numbers that typically takes up 4 bytes of memory. Which of the
following is a real number?
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A string is a data type that typically takes up 1 byte per character. Which of the following is a string?
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hello world
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"!h3ll0 world4"
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"hello w0rld
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h3llo world"
Frage 15
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What is the main difference between a constant and a variable?
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A constant's value remains the same where as a variables value can change.
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A constant's value only changes if a variables value changes.
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A constant's value remains the same where as a variables value can be changed by the user.
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A constant's value remains the same where as a variables value can change be changed, but only once.