Free Printable H446 Compilers and Translators

Worksheets

H446 Compilers and Translators

Total questions: 62

Worksheet time: 32mins

Name

Class

Date

What are CPUs able to process?

0-9

0-F

0 and 1

0-8

All Options are incorrect

The CPU can only understand one type of code; which one?

High-Level Code

Source Code

Hexadecimal

Machine Code

All Options are incorrect

Would it be possible to write an entire program in binary?

YES

Would it be desirable to write an entire progarm in binary

YES

How is machine code stored?

As a binary number

As a decimal number

As a number separated by dots

As a series of letters

All Options are incorrect

An example of a low level language is…?

Source Code

High Level Code

Assembly Language

Java Scipt

All Options are incorrect

This language has a small set of commands which represent certain pieces of machine code

Assembly Language

Source Code

High Level Code

Java Scipt

All Options are incorrect

Assembly Language commands are known as ….?

Instructions

Data Flow

Mnemonics

Binary

All Options are incorrect

Assembly language can be processed by the CPU far more quickly than high level languages.

True

False

10.

Source code can be processed by the CPU more quickly that High Level Code

True

False

11.

High level code and source code are different

True

False

12.

To aid translation, high level code makes use of

Registers

Syntax

Key Words

All Options are incorrect

13.

What is the PRINT command known as?

Reserved Word

Key Command

Key Syntax

High Level command

All Options are incorrect

14.

Are there any benefits to using Assmebly Language?

YES

15.

Whch of these are benefits of using Assembly Language?

Intuitive to write

More precise CPU Control

Avoid CPU running unnecesary commands

Better control of how RAM is used

All Options are incorrect

16.

Which of these are disadvantages of using High Level Language?

Hard to learn compared to Low Level Code

Difficult to control how RAM is used

CPU may run instructions that are not required

Program may run slower that it should

All Options are incorrect

17.

Which of these are exmples of High Level Code

Java

Assembly Language

Perl

All Options are incorrect

18.

Which word describes an app that converts high level code into low level code

(a)

19.

Which application takes the whole code and converts it into machine code before running it?

Compiler

Interpreter

Javascript

Perl

All Options are incorrect

20.

Which program takes the code one instruction at a time, translates and runs the instruction, before translating the next instruction?

Compiler

Interpreter

Javascript

Perl

All Options are incorrect

21.

What is the name of intermediate code that has been partially translated by an interpreter?

Lexical Analysis

Bytecode

Compilation

Assembly Language

All Options are incorrect

22.

How quickly does Bytecode run?

Faster than fully compiled code

Slower than fully compiled code

At the same speed as fully compiled code

It cannot run and needs further compiling

All Options are incorrect

23.

Can the same bytecode can be created from different languages?

YES

24.

Can the same translator can be used to run bytecode, regardless of the original coding language?

YES

25.

The bytecode translator can translate the bytecode at run-

(a)

26.

If the translator runs the bytecode at run-time, this is known as a (a) compiler?

27.

Bytecode is only (a) translated before the code is run.

28.

When compiling bytecode the translator can first check the computer’s (a) before deciding how to translate it,

29.

What is the process of translating source code into executable machine code?

Lexical generation

Syntactical generation

Compilation

Residual interpreting

All Options are incorrect

30.

How many stages are there in compilation?

31.

Which stage of compilation is concerned with ‘cleaning the code’ of unnecessary characters and splitting the code up into chunks that the translator can understand?

Lexical Analysis

Syntax Alalysis

Code generaton & Optimisation

Bytecode generation

32.

In which stage of compilation are comments and whitespace removed from the source code?

Lexical Analysis

Syntax Alalysis

Code generaton & Optimisation

Bytecode generation

33.

In which stage of compilation is the high level code converted into “tokens”?

Lexical Analysis

Syntax Alalysis

Code generaton & Optimisation

Bytecode generation

34.

In which stage of compilation would a symbol table be produced?

Lexical Analysis

Syntax Alalysis

Code generaton & Optimisation

Bytecode generation

35.

What does a symbol table contain?

Key Words

Identifiers

Memory locations

Data types

36.

What are the variable names known as when written to a symbol table?

Key words

Identifiers

Juxtapositions

Bytecode nominals

37.

Syntax refers to the rules of a ________?

Compiler

Translators

Analysis tool

Language

38.

The compiler produces a list of syntax (a) ?

39.

The AST represents the (a) ?

40.

What are opcodes?

Instructions

Data

Memory locations

Syntax

41.

What are operands?

Instructions

Data

Memory locations

Syntax

42.

In which stage does the compiler converts the abstract syntax tree (AST) into object code?

Lexical Analysis

Syntax Alalysis

Code generaton & Optimisation

Bytecode generation

43.

During code generation and optimisataion, what is not converted to object code?

Memory locations

Variables

Libraries

Opcode

44.

Making the code as efficient as possible so that it minimises the amount of memory it requires to run is known as (a) ?

45.

When does optimisation happen?

Before code generation

After code generation

During code generation

Not at this stage

46.

Are object code and machine code the same?

YES

47.

What is used to link any references that the program has made to library code?

(a)

48.

What is object code?

Completed machine code

Incomplete machine code

Complete source code

Incomplete source code

49.

What does DLL stand for?

(a)

50.

What is the issue with static linkers?

Result in larger programs

Result in slower programs

Take longer to compile

Inefficient use of memory

51.

What is the issue with dynamic linkers?

Libraries must be relatively small in size

CPUs process DLLs independently

Libraries must be available at runtime

Code may not run

52.

Main reason why an (a) is used is at the (b) or development (c)

Choose from the below words

interpreter

testing

stage

53.

An (a) converts (b) (c) (d) instructions into (e) code.

Choose from the below words

Assembler

mnemonic

assembly

language

machine

54.

A (a) can take a (b) to compile (c) as the translator will often have to convert the (d) into various sets of (e) as different CPUs will understand instructions with different machine code from one another.

Choose from the below words

compiler

long time

source code

instructions

machine code

55.

Which translator must be present on the computer for the program is to be run

(a)

56.

Type of translator not used for high level languages

(a)

57.

This type of translator allows programmers to quickly detect errors

(a)

58.

What is used to associate additional library code to the object code?

(a)

59.

Reorder the following

Source Code

Library Code

Object Code

Linker

Executable code

60.

All (a) have to be written in accordance to the (b) otherwise a (c) would be (d) to translate the code

Choose from the below words

programs

language's rules

translator

unable

61.

In the code generation and optimisation stage the compiler links to any libraries and other (a) that the program has made use of

62.

Bytecode is highly....

Reliable

Adaptable

CPU Dependent

Portable

Reset

H446 Compilers and Translators

Total questions: 62

Worksheet time: 32mins

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