defined set of steps that can be used to complete a task.
a set of steps that can be used to complete a task.
a random set of steps that can be used to complete a task.
an order of doing things correctly to complete something.
Questão 2
Questão
Sequence is when...
Responda
instructions are executed one after another.
instructions are executed one after another in a series.
instructions are executed by the user.
instructions are executed one after another but not always in series.
Questão 3
Questão
Selection is when...
Responda
a program will execute instructions regardless of what the use does.
a program will execute certain instructions based upon the users actions.
a program will execute certain instructions based on conditions.
a program will execute all instructions regardless of what the user does.
Questão 4
Questão
Selection statements include...
Responda
IF, THEN, ELSE & CASE
IF,ELSE & CASE
IF, THAN, ELSE & CASE
IF, THEN, ELSE, ELIF & CASE
Questão 5
Questão
In computer programming 'iteration' is used to...
Responda
loop around and around a piece of code until the correct answer is chosen.
loop around a piece of code until a condition is met that activates the next part of the program.
loop around and around a piece of code until a condition is met that ends the iteration.
loop twice around a piece of code until a condition is met that ends the iteration.
Questão 6
Questão
In programming a translator is used to convert different programming languages into machine code. There are
three types...
Responda
Assembler, interpreter & compiler.
Assembler, identifier & compiler.
Assembler, identifier & interpreter.
Compiler, identifier & interpreter.
Questão 7
Questão
An interpreter is a translator that converts high level languages into machine code. It does this by...
Responda
working three lines at a time, checking syntax, converting to machine code and executing the code.
working one line at a time, converting to machine code, checking syntax and executing the code.
working one line at a time, checking syntax, converting to machine code and executing the code.
working three lines at a time, converting to machine code, checking syntax and executing the code.
Questão 8
Questão
A compiler is a translator that converts high level programming languages into machine code. It does this by...
Responda
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.
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.
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.
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.
Questão 9
Questão
An assembler translator...
Responda
converts assembly language programs into machine code.
converts programs created in any language into machine code
converts programs created in any high level language into machine code
Questão 10
Questão
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...
Responda
an error in the spelling of program statements.
an error in the format of the program statements such as missing keywords.
an error in the format of the program statements such as missing semi-colons or keywords spelt incorrectly.
an error in the punctuation of program statements.
Questão 11
Questão
Logic errors in programs are...
Responda
errors in program statements that means the outcome is unexpected, even though the program will run.
errors in the algorithm that means the outcome is expected, even though the program will run.
errors in the algorithm that means the outcome is unexpected, even though the program will run.
errors in the algorithm that means the outcome returns nothing as the program will not run.
Questão 12
Questão
An integer is a data type that typically takes up 2 bytes of memory. Which of the following is an integer?
Responda
2.6
"2.6"
26
26.0
Questão 13
Questão
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?
Responda
26
"26.0"
260
2.60
Questão 14
Questão
A string is a data type that typically takes up 1 byte per character. Which of the following is a string?
Responda
hello world
"!h3ll0 world4"
"hello w0rld
h3llo world"
Questão 15
Questão
What is the main difference between a constant and a variable?
Responda
A constant's value remains the same where as a variables value can change.
A constant's value only changes if a variables value changes.
A constant's value remains the same where as a variables value can be changed by the user.
A constant's value remains the same where as a variables value can change be changed, but only once.
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