Y11-02-P9+10 Low-level and high-level languages , Translators

Multiple Choice

Which of the following statements about binary patterns in memory is correct?

• They represent instructions that are fetched, decoded, and executed by the CPU.

• They are only used for storing images.

• They are not related to program execution.

• They are used exclusively for network communication.

Fill in the Blank

An instruction set is all the different instructions a microprocessor (CPU) can ___ .

Multiple Choice

Why it is challenging for humans to understand programs written in machine code.

• Machine code is a high-level language that simplifies programming for humans.
• Humans find machine code intuitive because it uses familiar symbols and words.
• It is easy for humans to understand programs written in machine code due to its clear structure.
• It is challenging for humans to understand programs written in machine code because it is binary.

Fill in the Blank

The following assembly code use ___ (short abbreviation) in the instruction.
MOV x0, #12
MOV x1, #8
ADD x2, x0, x1

Multiple Select

Define ‘low-level’ programming language.

• Both assembly code and machine are low-level programming language.

• A low-level programming language is primarily used for web development and scripting tasks.
• A low-level programming language is one that operates independently of hardware and machine code.
• A low-level programming language is one that is closely related to machine code.

Multiple Select

Which of the following are features of a high-level programming language?

• Requires the programmer to understand hardware details

• Uses English-like statements

• Requires a translator to convert source code to machine code

• Examples include Python and Java

Fill in the Blank

What does the given Java program output?

.

Multiple Choice

Why does each microprocessor require its own unique instruction set?

• A unique instruction set is only needed for high-performance computing.
• Each microprocessor requires its own unique instruction set to match its specific architecture and optimize performance.
• Microprocessors share the same instruction set to simplify programming.
• Each microprocessor uses a universal instruction set for compatibility.

Multiple Select

Which of the following are features of low-level programming languages?

• Mnemonics

• Microprocessor specific

• One line generates multiple instructions in machine code

• No strings or real numbers, just binary

Fill in the Blank

Fill in the blank: In high-level programming languages, English-like keywords make it easier to ___ and understand source code.

Multiple Select

Select all tasks that are best suited for high-level programming languages.

• Operating systems GUI

• GPU device driver

• Games

• Office productivity software

Multiple Choice

Which of the following tasks is best suited for a low-level programming language?

• Web browser

• OS kernel

• Office productivity software

• Flight simulator

Open Ended

Describe one key difference between writing a program in a low-level language and a high-level language.

Multiple Choice

Explain why computers need source code translators to execute programs written by humans.

• Source code translators are used to enhance the speed of program execution on computers.
• Computers can directly execute human-written programs without any translation.
• To convert programming languages into machine code that they can execute.

• High-level programming languages are already in machine code format for computers to use.

Multiple Select

Which type of translator is required for high-level languages?

• Assembler

• Compiler

• Interpreter

• Linker

Fill in the Blank

A translator that converts assembly code into machine code is called an ___.

Multiple Choice

What is the main purpose of a translator in computer programming?

• To convert source code into machine code

• To create user interfaces

• To store data

• To manage memory

Interpreter

​https://onlinegdb.com/NttUTHjx-

Compiler

​https://onlinegdb.com/sKBsOwrwb

Multiple Select

Which of the following are considerations when choosing between a compiler and an interpreter?

• Speed

• Portability

• Error handling

• Secrecy

Fill in the Blank

A low-level language sits close to the hardware and is either binary machine code or ___ code.

Multiple Choice

Which of the following best describes the main difference between high-level and low-level programming languages?

• High-level languages are closer to human language, while low-level languages are closer to machine code.

• High-level languages are only used for web development, while low-level languages are used for hardware programming.

• Low-level languages are easier to learn than high-level languages.

• High-level languages do not require translators, while low-level languages do.

Multiple Select

Which of the following statements about compiled and interpreted languages are correct?

• Compiled languages execute quicker and are more secure

• Interpreted languages are quicker to develop in and are more portable

• Compiled languages are always easier to debug

• Interpreted languages always produce faster code

Fill in the Blank

High-level and low-level language translators are essential for converting code written by humans into machine-readable instructions. Fill in the blank: The translation process of converting source code into machine code, all lines together, is called ___.