Types Of Programming Language, Translators & Integrated Development Environments (IDEs)

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Levels of Programming Languages

A programming language is a bridge between human understanding and computer execution.
Low-level languages (1st & 2nd generation) directly translate to machine code and allow direct hardware control.
Machine code (1st generation) is binary (0s and 1s) directly executable by the processor.
Assembly language (2nd generation) uses mnemonics like LDA, STA; one assembly instruction = one machine code instruction.
High-level languages (3rd generation) use English-like statements (e.g., Python, Java, C++).
One high-level instruction translates to many machine code instructions.
High-level languages are portable (can run on any computer with a translator) and easier to debug.

Assembly Language

Assembly language is a second-generation low-level language using mnemonics.
Common mnemonics: LDA (load into accumulator), ADD (add to accumulator), STO (store accumulator to RAM).
An assembler translates each mnemonic into its equivalent binary machine code.
Used when direct hardware control is needed, or to save memory/execution time.
Advantages: complete control over hardware, occupies less memory, executes faster.
Disadvantages: machine dependent, difficult to write/understand, more prone to errors.

Translators: Compilers & Interpreters

A translator converts source code into machine code so the processor can execute it.
Assembler translates assembly language into machine code.
Compiler translates high-level code all in one go, creating an executable file.
Compiler advantages: faster execution, optimised code, source code hidden.
Compiler disadvantages: memory intensive, difficult to debug, must recompile after changes.
Interpreter translates and executes high-level code one line at a time.
Interpreter advantages: easier to debug (stops at first error), uses less RAM.
Interpreter disadvantages: slower execution, no optimisation, requires translator each run.

Integrated Development Environments (IDEs)

An IDE is software that provides tools to make writing high-level code more efficient.
Editor – write, edit, and maintain code; features include prettyprint (colour-coded keywords), auto-completion, bracket matching, and commenting.
Error diagnostics – highlight errors and provide debuggers for step-by-step execution to find logic errors.
Run-time environment – allows the program to be run and output seen within the IDE.
Translator – built-in compiler or interpreter so no extra software is needed.

Comparison of low-level and high-level languages

Three types of translators: assembler, compiler, interpreter

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1.Which generation of programming language is machine code?
Easy
- AFirst generation
- BSecond generation
- CThird generation
- DFourth generation
2.What is a mnemonic in assembly language?
Easy
- AAn abbreviated text command such as LDA or STA
- BA binary number representing an instruction
- CA high-level English-like statement
- DA memory address in RAM
3.Which of the following is an advantage of using a high-level language over a low-level language?
Easy
- ADirect control over hardware
- BEasier to read and write
- COccupies less memory
- DFaster execution
4.How does a compiler translate high-level language code?
Medium
- AIt translates one line at a time and executes immediately
- BIt translates all the code in one go before execution
- CIt translates code using mnemonics
- DIt translates code into assembly language first
5.A program written in a high-level language is being developed. Which translator is most suitable during the development stage?
Medium
- AAssembler
- BCompiler
- CInterpreter
- DLinker
6.What does an assembler translate?
Easy
- AHigh-level language to machine code
- BAssembly language to machine code
- CMachine code to assembly language
- DHigh-level language to assembly language
7.Which of the following is a feature of an Integrated Development Environment (IDE)?
Easy
- AAssembler
- BPrettyprint
- COperating system
- DDatabase management system
8.Which of the following best describes why a program written in a high-level language must be translated before execution?
Medium
- ATo make the code easier to read
- BTo convert it into machine code that the processor can understand
- CTo reduce the file size
- DTo add comments to the code

Mehr Fragen

9.What is a disadvantage of using an interpreter compared to a compiler?
Medium
- AIt is easier to debug
- BIt creates an executable file
- CIt has slower execution speed
- DIt optimises the code
10.Which of the following is an example of a high-level language?
Easy
- AAssembly language
- BMachine code
- CPython
- DLDA
11.Which IDE tool allows a programmer to step through code line by line to find logic errors?
Easy
- AEditor
- BPrettyprint
- CDebugger
- DRun-time environment
12.One assembly language instruction translates into how many machine code instructions?
Easy
- AOne
- BMany
- CNone
- DDepends on the instruction
13.A programmer is writing a device driver that must directly control a hardware register. Which type of programming language is most suitable for this task?
Medium
- ALow-level language
- BHigh-level language
- CFourth-generation language
- DObject-oriented language
14.A program written in a high-level language is translated by an interpreter. The program contains a loop that runs 1000 times. How many times does the interpreter translate the code inside the loop?
Medium
- A1
- B1000
- COnce per line of code
- DIt depends on the number of errors
15.Which of the following is a feature of an IDE that helps a programmer identify logical errors in their code?
Easy
- APrettyprint
- BDebugger
- CAuto-completion
- DRun-time environment
16.A company distributes a compiled executable of their software. Which of the following is an advantage of this distribution method?
Medium
- AThe user can view and modify the source code
- BThe software can run without needing a translator on the user's computer
- CThe software runs slower than interpreted code
- DThe executable is portable across all processors
17.Which generation of programming language is assembly language?
Easy
- AFirst generation
- BSecond generation
- CThird generation
- DFourth generation
18.A program is being developed and the programmer wants to test each line as it is written. Which translator should be used?
Medium
- AAssembler
- BCompiler
- CInterpreter
- DLinker
19.Which of the following is a disadvantage of using a compiler compared to an interpreter?
Medium
- ACompiled code runs slower
- BCompiled code is harder to debug
- CCompiled code requires more RAM to run
- DCompiled code cannot be distributed
20.In an IDE, which tool is used to automatically complete code as the programmer types?
Easy
- ADebugger
- BPrettyprint
- CAuto-completion
- DRun-time environment
21.A program written in assembly language has 50 instructions. How many machine code instructions will it translate into?
Medium
- A50
- BMore than 50
- CLess than 50
- DIt depends on the mnemonics used
22.A programmer is writing a program in a high-level language. She uses an interpreter during development. Which of the following best describes how the interpreter translates the program?
Medium
- AIt translates the entire program into machine code in one go, then executes it.
- BIt translates and executes the program one line at a time.
- CIt translates the program into assembly language, then assembles it.
- DIt translates the program into an intermediate code, then interprets that code.
23.Which of the following is a first-generation programming language?
Easy
- AAssembly language
- BPython
- CMachine code
- DC++
24.A program written in a high-level language is translated by a compiler. Which of the following is an advantage of using a compiler rather than an interpreter?
Medium
- AThe program can be debugged more easily.
- BThe program runs faster after compilation.
- CThe program uses less memory during compilation.
- DThe program can be edited more easily after compilation.
25.A programmer is developing a program that must directly control a hardware register in a device driver. Which type of programming language is most suitable for this task?
Medium
- AA high-level language like Python
- BA low-level language like assembly
- CA fourth-generation language
- DA scripting language like JavaScript
26.Which of the following is a mnemonic used in assembly language?
Easy
- APRINT
- BLDA
- Cif
- Dwhile
27.What is the role of an assembler?
Easy
- AIt translates high-level language into machine code.
- BIt translates assembly language into machine code.
- CIt translates machine code into assembly language.
- DIt translates one high-level language into another high-level language.
28.A program written in a high-level language is being developed. The programmer wants to test each line as it is written. Which translator should be used?
Easy
- AAssembler
- BCompiler
- CInterpreter
- DLinker
29.A program contains a loop that runs 1000 times. The program is translated by an interpreter. How many times does the interpreter translate the code inside the loop?
Medium
- AOnce
- B1000 times
- CUntil an error is found
- DIt depends on the number of lines in the loop
30.Which of the following is a feature of an Integrated Development Environment (IDE) that helps a programmer identify logical errors in their code?
Easy
- AAuto-completion
- BPrettyprint
- CDebugger
- DCompiler
31.A programmer writes a program in a high-level language. The program contains a loop that runs 1000 times. If an interpreter is used, how many times is the code inside the loop translated?
Medium
- A1000
- B1
- C0
- DIt depends on the number of errors
32.A program is written in assembly language. How many machine code instructions will 20 assembly language instructions translate into?
Medium
- A20
- BMore than 20
- CFewer than 20
- DDepends on the assembler
33.A programmer is developing a device driver that must directly control a hardware register. Which type of programming language is most suitable for this task?
Medium
- AHigh-level language
- BLow-level language
- CFourth-generation language
- DObject-oriented language
34.A program written in a high-level language is translated by a compiler. The program contains a loop that runs 1000 times. How many times does the compiler translate the code inside the loop?
Medium
- A1000
- B1
- C0
- DIt depends on the number of errors
35.A program written in assembly language contains 30 instructions. How many machine code instructions will it translate into?
Medium
- A30
- B1
- C60
- DDepends on the assembler
36.A programmer writes a program in a high-level language. The program is translated using a compiler. After fixing a syntax error, what must the programmer do before running the program again?
Medium
- ARecompile the entire program
- BOnly recompile the changed line
- CUse an interpreter to run the program
- DNo action needed, the compiler fixes it automatically
37.A student is writing a program in a high-level language. They want to test each line of code as it is written and see the results immediately. Which translator should they use?
Easy
- AInterpreter
- BCompiler
- CAssembler
- DLinker
38.Which of the following is a disadvantage of using a high-level language compared to a low-level language?
Medium
- AThe user cannot directly manipulate the hardware
- BIt is more difficult to read and write
- CIt is machine dependent
- DIt produces larger executable files
39.Which of the following is an example of a mnemonic used in assembly language?
Easy
- ALDA
- BFOR
- C10110011
- Dprint
40.Which of the following is an advantage of using a low-level language over a high-level language?
Medium
- AEasier to read and write
- BPortable across different computers
- CDirect control over hardware components
- DOne line of code can perform multiple commands
41.Assembly language is a third-generation high-level language.
Easy
True or false?
42.Which translator is used to convert assembly language into machine code?
Easy
- AAssembler
- BCompiler
- CInterpreter
- DLinker
43.A compiler translates high-level language code one line at a time.
Easy
True or false?
44.Which of the following is an advantage of using an interpreter over a compiler?
Medium
- AEasier to debug
- BFaster execution
- CProduces an executable file
- DOptimises the code
45.Which of the following are tools or facilities typically found in an Integrated Development Environment (IDE)? (Select all that apply)
Medium
- AEditor
- BAssembler
- CDebugger
- DSpreadsheet
46.Match each generation of programming language to its correct description.
Medium
- First generation
- Second generation
- Third generation
- Machine code
- Assembly language
- High-level language
47.Arrange the following steps in the order they occur when a high-level language program is compiled and executed.
Medium
- Source code is written
- Compiler translates source code to machine code
- Executable file is created
- Processor executes the machine code
48.Match each programming language generation to its correct description.
Medium
- First generation
- Second generation
- Third generation
- Machine code, binary instructions
- Assembly language, mnemonics
- High-level languages like Python
49.Which of the following are advantages of using a low-level language over a high-level language? (Select all that apply)
Medium
- AEasier to read and write
- BComplete control over system components
- CPortable across different computers
- DOccupy less memory and execute faster
- EDirect manipulation of hardware
50.An assembler is used to translate high-level language code into machine code.
Easy
True or false?
51.Complete the sentence:
Easy
One assembly language instruction translates to ____ machine code instruction(s).
52.State one reason why a programmer might choose to write a program in assembly language rather than a high-level language.
Medium
53.Complete the sentence.
Easy
In an IDE, the ____ tool allows a programmer to step through code line by line to find logic errors.
54.A program written in assembly language contains 15 instructions. How many machine code instructions will it translate into?
Easy
55.A program written in assembly language contains 15 instructions. How many machine code instructions will it translate into?
Easy
- A15
- B14
- C16
- D17

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