2695339
Descripción
Test por Lavington ICT, actualizado hace más de 1 año
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Creado por Lavington ICT
hace alrededor de 9 años
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Pregunta 1
Pregunta
An algorithm can be defined as...
Respuesta
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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.
Pregunta 2
Pregunta
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.
Pregunta 3
Pregunta
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.
Pregunta 4
Pregunta
Selection statements include...
Respuesta
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IF, THEN, ELSE & CASE
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IF,ELSE & CASE
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IF, THAN, ELSE & CASE
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IF, THEN, ELSE, ELIF & CASE
Pregunta 5
Pregunta
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.
Pregunta 6
Pregunta
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.
Pregunta 7
Pregunta
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.
Pregunta 8
Pregunta
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.
Pregunta 9
Pregunta
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
Pregunta 10
Pregunta
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.
Pregunta 11
Pregunta
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.
Pregunta 12
Pregunta
An integer is a data type that typically takes up 2 bytes of memory. Which of the following is an integer?
Respuesta
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2.6
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"2.6"
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26
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26.0
Pregunta 13
Pregunta
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?
Respuesta
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26
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"26.0"
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260
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2.60
Pregunta 14
Pregunta
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"
Pregunta 15
Pregunta
What is the main difference between a constant and a variable?
Respuesta
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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.
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