Software Development Chapter 6 Quiz

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Questions and Answers

What is the main disadvantage of early programming methods utilized by computers like ENIAC?

They took weeks to create and debug programs. (correct)

They were limited to mathematical operations.

They required advanced mathematical skills.

They used modern programming languages.

Which of the following is NOT a fundamental data type?

Variables (correct)

Floats

Booleans

Strings

Which of the following correctly corresponds to the purpose of pseudocode?

To compile code for execution.

To write application-specific code.

To outline programming logic in a simple way. (correct)

To integrate different programming languages.

What is the hexadecimal notation system commonly referred to as?

hex Signup and view all the answers

Which programming language category processes code at runtime rather than before execution?

Interpreted programming languages Signup and view all the answers

In the hexadecimal system, what decimal number does the letter 'E' represent?

14 Signup and view all the answers

What is assembly language primarily used for?

Providing direct instructions to hardware Signup and view all the answers

What data representation format uses a base of 16?

Hexadecimal Signup and view all the answers

What is the function of an assembler?

To translate assembly language into machine code Signup and view all the answers

What prefix do some programming languages use to indicate a hexadecimal number?

0x Signup and view all the answers

Why is assembly language still used today?

It allows for faster execution and direct hardware access. Signup and view all the answers

How many characters can standard ASCII codes represent?

128 Signup and view all the answers

Which programming concept refers to a reusable block of code designed to perform a specific task?

Function Signup and view all the answers

What is the decimal equivalent of the hexadecimal number '10'?

16 Signup and view all the answers

What is a primary characteristic of assembly code?

It is specific to processor architectures. Signup and view all the answers

What is the primary purpose of flow charts in programming?

To illustrate organizational techniques and logic flow. Signup and view all the answers

Which character encoding standard is known for representing a wider range of characters than ASCII?

Unicode Signup and view all the answers

Which system is primarily related to binary notation?

Binary system Signup and view all the answers

What does the 'HEX' option represent in the Programmer view of a calculator?

Hexadecimal representation Signup and view all the answers

What would the binary representation of the decimal number 42 look like?

101010 Signup and view all the answers

What does one byte consist of in the binary system?

Eight bits Signup and view all the answers

Which of the following is not a typical use for assembly language?

Web development Signup and view all the answers

What does the ASCII system primarily represent?

Text and special characters Signup and view all the answers

What might make translating high-level code into assembly easier?

Understanding of machine language Signup and view all the answers

What is the binary value for the decimal number 2?

10 Signup and view all the answers

What happens when you add 1 + 1 in binary?

10 Signup and view all the answers

Which position contributes the highest value in an 8-bit byte?

Position 8 Signup and view all the answers

How many distinct values can one byte represent?

0 to 255 Signup and view all the answers

What is the binary representation of the decimal number 4?

100 Signup and view all the answers

When is it necessary to add a second digit while counting in binary?

When the total exceeds 1 Signup and view all the answers

Which of these binary addition results is INCORRECT?

1 + 1 = 1 Signup and view all the answers

In which position of a byte does the binary digit represent the value of 16?

Position 4 Signup and view all the answers

What is one fundamental requirement for computers to operate?

They require preprogrammed software instructions. Signup and view all the answers

What does the chapter intend to provide an overview of?

Foundational software development concepts. Signup and view all the answers

Why is the number of lines of code a poor measure of program quality?

The goal is to achieve functionality with little code. Signup and view all the answers

Which programming language is mentioned as a possible skill for a coder?

JavaScript Signup and view all the answers

What might indicate the complexity of an application, as mentioned in the chapter?

The total number of lines of code. Signup and view all the answers

In what way do programmers typically organize their expertise?

By specializing in one or two languages. Signup and view all the answers

What aspect of programming languages is compared to languages like English and Spanish?

Each language has its own grammar and syntax. Signup and view all the answers

What was true of earlier computer programming compared to the present?

Fewer software titles were available. Signup and view all the answers

What does the command MOV represent in assembly language?

Move Signup and view all the answers

What is the purpose of comments in assembly code?

To provide explanations ignored by the processor Signup and view all the answers

In assembly code, what does the 'mov' instruction do?

Transfers data from one location to another Signup and view all the answers

Which of the following lines is NOT processed by the assembly language processor?

;must be declared for linker Signup and view all the answers

What does the 'section.text' directive indicate in assembly code?

Specifies the area for executable code Signup and view all the answers

What is the significance of the statement 'int 0x80' in the assembly code example?

It is a system call to the kernel Signup and view all the answers

What is the primary difference between compiled and interpreted languages?

Compiled languages run faster than interpreted languages Signup and view all the answers

Which of the following correctly describes the output of the assembly code provided?

'Hello, world!' Signup and view all the answers

Study Notes

Chapter 6: Software Development

Exam Objectives Covered: 1.1 Compare and contrast notational systems; 1.2 Compare and contrast fundamental data types and their characteristics; 4.1 Compare and contrast programming language categories; 4.2 Given a scenario, use programming organizational techniques and interpret logic

1.1 Notational Systems

Binary: 0 and 1
Hexadecimal: 0-9 and A-F
Decimal: 0-9
Data Representation: How data is stored and processed
ASCII: American Standard Code for Information Interchange
Unicode: Comprehensive character encoding system

1.2 Fundamental Data Types

Char: Single character
Strings: Sequence of characters
Numbers: Integer, float
Integers: Whole numbers
Floats: Numbers with decimal points
Boolean: True or False (represented as 1 or 0)

4.1 Programming Language Categories

Interpreted: Code is executed line by line
Scripting Languages: Easily readable, dynamic languages, often used for web pages
Compiled Languages: Code is turned into machine code (executable)
Query Languages: Designed for interacting with databases
Assembly Language: Low-level language directly interacting with the hardware

4.2 Programming Organizational Techniques

Organizational Techniques: Methods of planning, structuring, and organizing
Techniques: Flowcharts, pseudocode (used for program design)
Logic Interpretation: Following instructions and executing tasks.

4.3 Programming Concepts

Identifiers: Names given to variables, constants, and other program elements
Variables: Values that can change
Constants: Values that remain the same
Containers: Arrays, Vectors (used to store multiple values)
Functions: Reusable blocks of code
Objects: Collection of properties and methods (data and processes)
Properties: Attributes of an object
Attributes: Characteristics of an object
Methods: Actions an object can perform

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Description

This quiz covers key concepts from Chapter 6 on Software Development, including notational systems, fundamental data types, and programming language categories. Explore how data is represented and processed, as well as various programming technologies that enhance software development.