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Questions and Answers
What is the main difference between a 32-bit computer system and a 64-bit computer system?
What is the main difference between a 32-bit computer system and a 64-bit computer system?
The main difference is the number of bits used to represent memory addresses, with 32-bit systems using 32 bits and 64-bit systems using 64 bits.
What is the primary function of application software?
What is the primary function of application software?
To perform specific tasks or provide services to users.
What is an array in programming?
What is an array in programming?
An indexed set of related elements, where all elements have a numeric index and are of the same data type.
What is the purpose of character encoding?
What is the purpose of character encoding?
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What is the significance of the camel case naming convention in programming?
What is the significance of the camel case naming convention in programming?
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What is the central processing unit (CPU) responsible for in a digital system?
What is the central processing unit (CPU) responsible for in a digital system?
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What is the primary function of a compiler in object-oriented programming languages?
What is the primary function of a compiler in object-oriented programming languages?
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What is a common issue that arises when two different input values to a hashing function output the same hash value?
What is a common issue that arises when two different input values to a hashing function output the same hash value?
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What is the primary purpose of communication hardware in digital systems?
What is the primary purpose of communication hardware in digital systems?
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What is the main difference between a complex instruction set computing (CISC) and a reduced instruction set computing (RISC) microprocessor design?
What is the main difference between a complex instruction set computing (CISC) and a reduced instruction set computing (RISC) microprocessor design?
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What is the purpose of a debugger in software development?
What is the purpose of a debugger in software development?
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What is the key characteristic of a dependent task in project management?
What is the key characteristic of a dependent task in project management?
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What is the main difference between a deque and a queue data structure?
What is the main difference between a deque and a queue data structure?
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What is the primary purpose of a graphical user interface (GUI) in software development?
What is the primary purpose of a graphical user interface (GUI) in software development?
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Study Notes
Computer Systems
- A 32-bit computer system has 32 bits of memory addresses, while a 64-bit computer system has 64 bits of memory addresses.
Software
- Application software is used to perform work or complete larger tasks, examples include Microsoft Word, Excel, Adobe Photoshop, and Mozilla Firefox.
- A browser is a type of application software.
Data Types
- A Boolean is a logical data type that can hold one of only two possible values, true or false.
- A character is a data type representing a single letter, number, symbol, punctuation mark, or space.
Data Structures
- An array is an indexed set of related elements, all of the same data type.
- An associative array (also called a dictionary or map) is a collection of (key, value) pairs where each key is unique in the collection.
Hardware
- The central processing unit (CPU) is the 'brain' of a digital system, handling most of a system's data manipulation.
- Communication hardware transmits data between computers and networked devices.
- A graphics processor unit (GPU) is a fast and expensive processor specifically designed for high-speed image processing in graphics cards.
Programming Concepts
- Camel case is a naming convention used in programming, where each word or abbreviation in a phrase (after the first word) begins with a capital letter, without spaces or punctuation.
- A class is a program code template for creating objects in object-oriented programming languages.
- A compiler is a program that turns source code into machine language that can be executed by a computer processor.
- A debugger is a tool used to identify errors in computer software.
Other Concepts
- A constraint is a restriction on what can and cannot occur in the creation of a software solution, external to the solution itself.
- An economic constraint is a constraint on the creation of a software solution that relates to time or budget, or both.
- A Gantt chart is a project management tool for displaying project schedule information.
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Description
Get familiar with the basics of computer systems, including 32-bit and 64-bit systems, application software, browsers, and programming concepts like arrays and associative arrays.