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?

<p>hex (D)</p> Signup and view all the answers

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

<p>Interpreted programming languages (C)</p> Signup and view all the answers

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

<p>14 (B)</p> Signup and view all the answers

What is assembly language primarily used for?

<p>Providing direct instructions to hardware (A)</p> Signup and view all the answers

What data representation format uses a base of 16?

<p>Hexadecimal (B)</p> Signup and view all the answers

What is the function of an assembler?

<p>To translate assembly language into machine code (A)</p> Signup and view all the answers

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

<p>0x (B)</p> Signup and view all the answers

Why is assembly language still used today?

<p>It allows for faster execution and direct hardware access. (B)</p> Signup and view all the answers

How many characters can standard ASCII codes represent?

<p>128 (B)</p> Signup and view all the answers

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

<p>Function (A)</p> Signup and view all the answers

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

<p>16 (D)</p> Signup and view all the answers

What is a primary characteristic of assembly code?

<p>It is specific to processor architectures. (D)</p> Signup and view all the answers

What is the primary purpose of flow charts in programming?

<p>To illustrate organizational techniques and logic flow. (A)</p> Signup and view all the answers

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

<p>Unicode (A)</p> Signup and view all the answers

Which system is primarily related to binary notation?

<p>Binary system (D)</p> Signup and view all the answers

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

<p>Hexadecimal representation (D)</p> Signup and view all the answers

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

<p>101010 (D)</p> Signup and view all the answers

What does one byte consist of in the binary system?

<p>Eight bits (C)</p> Signup and view all the answers

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

<p>Web development (A)</p> Signup and view all the answers

What does the ASCII system primarily represent?

<p>Text and special characters (C)</p> Signup and view all the answers

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

<p>Understanding of machine language (B)</p> Signup and view all the answers

What is the binary value for the decimal number 2?

<p>10 (D)</p> Signup and view all the answers

What happens when you add 1 + 1 in binary?

<p>10 (D)</p> Signup and view all the answers

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

<p>Position 8 (A)</p> Signup and view all the answers

How many distinct values can one byte represent?

<p>0 to 255 (B)</p> Signup and view all the answers

What is the binary representation of the decimal number 4?

<p>100 (C)</p> Signup and view all the answers

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

<p>When the total exceeds 1 (A)</p> Signup and view all the answers

Which of these binary addition results is INCORRECT?

<p>1 + 1 = 1 (A)</p> Signup and view all the answers

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

<p>Position 4 (B)</p> Signup and view all the answers

What is one fundamental requirement for computers to operate?

<p>They require preprogrammed software instructions. (C)</p> Signup and view all the answers

What does the chapter intend to provide an overview of?

<p>Foundational software development concepts. (D)</p> Signup and view all the answers

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

<p>The goal is to achieve functionality with little code. (D)</p> Signup and view all the answers

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

<p>JavaScript (D)</p> Signup and view all the answers

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

<p>The total number of lines of code. (A)</p> Signup and view all the answers

In what way do programmers typically organize their expertise?

<p>By specializing in one or two languages. (A)</p> Signup and view all the answers

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

<p>Each language has its own grammar and syntax. (D)</p> Signup and view all the answers

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

<p>Fewer software titles were available. (D)</p> Signup and view all the answers

What does the command MOV represent in assembly language?

<p>Move (B)</p> Signup and view all the answers

What is the purpose of comments in assembly code?

<p>To provide explanations ignored by the processor (D)</p> Signup and view all the answers

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

<p>Transfers data from one location to another (B)</p> Signup and view all the answers

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

<p>;must be declared for linker (D)</p> Signup and view all the answers

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

<p>Specifies the area for executable code (D)</p> Signup and view all the answers

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

<p>It is a system call to the kernel (C)</p> Signup and view all the answers

What is the primary difference between compiled and interpreted languages?

<p>Compiled languages run faster than interpreted languages (C)</p> Signup and view all the answers

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

<p>'Hello, world!' (A)</p> Signup and view all the answers

Flashcards

Binary System

A number system that uses only two digits: 0 and 1. Computers use binary to represent data.

Programming Language Categories

Different types of languages like Compiled (C++, Java) or Interpreted (Python, JavaScript).

Data Representation

How numbers, text, and other information are stored in a computer system.

Interpreted Languages

Languages in which each line of code is translated and executed one at a time.

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Compiled Programming Language

Languages in which the entire program is translated to machine code before execution.

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Variables

Named storage locations used to hold data in a program.

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Pseudocode

A way to describe algorithms using natural language mixed with programming-like constructs.

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Flowchart

Diagrammatic representation of the steps in an algorithm using boxes and arrows.

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Software Development

The process of creating software applications for computers and devices.

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Programming Languages

Sets of instructions that allow humans to communicate with computers.

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Software Complexity

Programs like Windows 10 can have millions of lines of code.

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Programmer vs Developer vs Coder

Different terms used to refer to people who create software.

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Software Diversity

The vast array of software applications available today.

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Computer Instructions

Software provides instructions for computers to perform tasks.

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Programming Language Grammar

Each programming language has its unique set of rules.

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Programming Specialization

Developers often specialize in one or two languages.

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Assembly Language

The lowest-level programming language, allowing direct instructions to computer hardware.

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Machine Code

Executable code understood by computer processors.

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Assembler

A program that translates assembly language into machine code.

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Binary System

A number system with two digits: 0 and 1. Used by computers to represent data.

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Bit

A single digit (0 or 1) in binary code.

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Byte

A group of eight bits.

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High-Level Language

A programming language designed to be easy for humans to read & write.

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Processor Architecture

The design of a central processing unit (CPU).

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Binary vs. Decimal

Binary uses 2 digits (0 and 1) for counting, while decimal uses 10 (0-9).

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Binary Addition (1+1)

Adding 1 + 1 in binary results in 10.

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Binary to Decimal Conversion

Converting binary numbers to decimal values depends on the bit's position.

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Bit Position Value

Each bit in a byte (8 bits) carries a value determined by its position from right to left.

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Byte Representation

Using one byte, decimal values between 0 and 255 can be stored in binary.

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Binary Value (100)

The binary number 100 equals a decimal value of 4 using the decimal conversion method.

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Binary Example (10010001)

The binary number 10010001 equals 145 in decimal using standard decimal conversion from binary algorithms(sum the values of all bits where positional values have '1')

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Binary vs Decimal Importance

Understanding how computers store data using binary numbers allows a deeper understanding of how assembly works and provides a means to convert numbers by hand or by machine.

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Hexadecimal System

A number system using base 16, combining numbers 0-9 and letters A-F to represent values.

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Base 16

The foundation of the hexadecimal number system.

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Hex Conversion

Changing numbers from decimal to hexadecimal (or vice versa) following the base 16 rules.

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ASCII

A code for representing text and special characters on computers using seven bits.

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Programmer View (Calculator)

A calculator mode that displays conversions between several numbering systems.

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Decimal System

Number system using base 10, using numbers 0-9.

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Numbering Systems (Programming)

Different ways of representing numbers and characters in computer programming

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0x Prefix (Hexadecimal)

Indicates a hexadecimal number in some programming languages

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Assembly Language

Low-level programming language using mnemonic codes to interact directly with computer hardware.

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Mnemonic Code

Abbreviation used in assembly language to represent a machine instruction.

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Comments in Assembly

Text after a semicolon in an assembly language code line, ignored by the processor.

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Hello, world! program

A traditional introductory program showing text output on the screen.

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Compiled Language

Programming language where code is translated into machine code before execution

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Processor Instructions

Commands (part of a line of code) that tell the processor what to do.

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Data Directives

Statements in assembly language to specify how to allocate data storage.

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High-level Language

Programming languages designed to be easier for humans to understand and write than assembly languages.

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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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ITF Chapter 6 Software Development PDF

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.

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