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IB Computer Science Control Systems Lecture Summary Computer Science Exam Prep Guide 2025/ 2026

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    IB Computer Science Control Systems Lecture Summary Computer Science Exam Prep Guide 2025/ 2026

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  • Master control systems in IB Computer Science with solution using this comprehensive 2025/ 2026 lecture summary. Includes key concepts covering feedback loops, sensors, actuators, system inputs/outputs, and real-world automation examples designed to improve computational thinking, strengthen exam performance, and support success in IB Computer Science coursework and assessments.
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IB Computer Science - Topic 6 Latest Exam Questions And Already Passed Answers.

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    IB Computer Science - Topic 6 Latest Exam Questions And Already Passed Answers.

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  • Resources to manage - Answer Primary memory Secondary storage Processor speed Bandwidth Screen resolution Sound processor Graphics processor Network connectivity Primary memory - Answer Where all data/programs currently being processed are kept Effect when primary memory is too limited - Answer Need to use secondary memory = slower Virtual memory problem = can't load data Secondary storage - Answer permanent storage memory not directly connected to the processo...
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IB Computer Science Topic 4 Training Exam Questions And All Correct Answers.

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    IB Computer Science Topic 4 Training Exam Questions And All Correct Answers.

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  • Block-Arrow Diagram - Answer a flowchart using geometric figures to show the data flow in the computer system Sub-Procedure - Answer a section of a computer program that is stored only once but can be used when required at several different points in the program Decision-Making - Answer in a program, if statements, if/else statements, and switch statements all allow the user to make decisions within the program. Condition - Answer a Boolean statement that allows different ac...
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IB Computer Science Topic 3 Networks Version 3 Study Guide Exam And 100% Correct Answers.

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    IB Computer Science Topic 3 Networks Version 3 Study Guide Exam And 100% Correct Answers.

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  • Protocol - Answer A set of predetermined rules on how information is sent and received. Virtual Private Network (VPN) - Answer A paid (but sometimes free) service that allows the user to create an encrypted link between the user and a remote server. Once connected, the user can anonymously access the information, data, or the internet using the remote server instead of his own machine. Computer network - Answer Allows different computers to communicate with one another. Local A...
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IB Computer Science System fundamentals Final Review Exam And Correct Answers.

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    IB Computer Science System fundamentals Final Review Exam And Correct Answers.

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  • System - Answer A set of principles or procedures following an organised scheme to process a set of inputs to produce a desired and reproducible output. Input-process-output - Answer The main parts of a system Feedback loop - Answer Allows inputs to be adjusted to respond to the outputs Extents of a system - Answer How large is the system? How powerful? How many users? How much hardware is required? Limitations of a system - Answer What prevents the system from exce...
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IB Computer Science Option D Practice Exam Questions And Answers Rated A+.

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    IB Computer Science Option D Practice Exam Questions And Answers Rated A+.

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  • Constructor - Answer In OOP a special type of method which has the same name as the class and is used to create objects. This creation process is known as instantiation. Instantiate - Answer The creation of an instance or particular realisation of an abstraction or template such as a class. The product of this is an object of the class type. In OOP this is done by using a particular method called a constructor. Object - Answer When a class is instantiated the product is one of the...
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IB Computer Science OOP Practice Exam Questions And Answers Rated A+.

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    IB Computer Science OOP Practice Exam Questions And Answers Rated A+.

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  • What is the difference between an object and a class? - Answer an object is an instance of a class what is class decomposition? - Answer breaking a programming problem into multiple classes where each class has a specific task to perform in solving the problem. what are two characteristics of an object? - Answer - state (Variables) - behaviour (Methods) what does it mean to instantiate an object? - Answer using a class's constructor to create an instance of an object. i...
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IB Computer Science - Option C - Web Science Study Guide Exam Questions Well Answered.

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    IB Computer Science - Option C - Web Science Study Guide Exam Questions Well Answered.

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  • Internet - Answer The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of standards known as protocols. World Wide Web - Answer A global system of hypertext documents, created using the Hypertext Markup Language and ac...
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IB Computer Science - Command Terms Final Test Questions With Solved Solutions.

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    IB Computer Science - Command Terms Final Test Questions With Solved Solutions.

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  • define - Answer Give the precise meaning of a word or phrase as concisely as possible state - Answer Give a specific name or other brief answer. No supporting argument or calculation is necessary. apply - Answer Use an idea, equation, principle, theory or law in a new situation. calculate - Answer Find an accurate answer using mathematical or other formal methods. Show the working unless instructed not to do so. "Convert", "Express" or "Simplify" may be use...
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IB Computer Science: Databases Final Exam Questions And 100% Correct Answers.

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    IB Computer Science: Databases Final Exam Questions And 100% Correct Answers.

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  • What do ACID properties do? - Answer ensure that the transaction get executed successfully and its effect permanently stored in the database. • If the transaction is rolled back, it must return the database to its last consistent state before the update. Describe situations suitable for data warehousing - Answer Strategic Planning • Strategic planning is a review and planning process that is undertaken to make thoughtful decisions about an organization's future in order to e...
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IB Computer Science Computer Organization Revision Exam And Answers Scored A+.

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    IB Computer Science Computer Organization Revision Exam And Answers Scored A+.

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  • CPU - Answer A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions. ALU - Answer an arithmetic logic unit (ALU) is a digital circuit that performs arithmetic and bitwise logical operations on integer binary numbers. CU - Answer The control unit is a component of a computer's central p...
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IB Computer Science (SL) Study Guide Exam Questions And Actual Answers.

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    IB Computer Science (SL) Study Guide Exam Questions And Actual Answers.

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  • A-D converter - Answer Analog-digital converter; "digitizer" address bus - Answer pathway from memory to processing unit carrying addressin in memory to and from where data is transferred arithmetic and logic unit (ALU) - Answer part of the CPU that performs arithmetic, logic, and similar operations CPU - Answer contains ALU, control unit, and registers control unit - Answer controls flow of data into CPU and its operation ? registers - Answer temporary sto...
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IB Computer Science Topic 1.1 Exam Questions With Correct Solutions Rated A+.

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    IB Computer Science Topic 1.1 Exam Questions With Correct Solutions Rated A+.

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  • What are the two types of updates? - Answer Automatic and Manual Lis some advantages of automatic updates - Answer Inexperienced users have an easy mechanism to get their updates. No need for software manufacturer to contact each user when the update is ready to be installed. List some disadvantages of automatic updates - Answer Users will miss updates if they are not connected to the internet. If updates bring a major change of system functions users may not be able to know how i...
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IB Computer Science Topic 1 Exam Questions With All Solved Solutions.

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    IB Computer Science Topic 1 Exam Questions With All Solved Solutions.

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  • SaaS (Software as a Service) - Answer software distribution model in which applications are hosted by a vendor or service provider and provided to customers over a network The four types of changing to a new system - Answer parallel running, pilot running, direct changeover and phased conversion Parallel Running - Answer both the old and new system run at the same time Pilot Running - Answer one section of the business is trying out the new software while one keeps using the...
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IB Computer Science SL Exam Review: Topic 1 Terms Questions And All Correct Answers.

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    IB Computer Science SL Exam Review: Topic 1 Terms Questions And All Correct Answers.

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  • Feasibility report/study - Answer A study conducted to conclude the potential of a project during or after the planning phase to determine whether it should be pursued. Change management - Answer A process of shifting individuals, teams, departments and organizations from the present state to a desired state (e.g. employee training). Legacy system - Answer Old technology, hardware, computer system, or application program. Business merger - Answer The combining of two or more...
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IB Computer Science - Paper 1 Revision Questions And Correct Answers.

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    IB Computer Science - Paper 1 Revision Questions And Correct Answers.

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  • Uses batteries for power - Answer What is a potential usability issue with cell phones To store instructions and data that is frequently used or has been used or is next to be used, so that the data does not to be fetched from the RAM and speeds up access. - Answer State the purpose of cache memory Connectivity between different locations - Answer Advantage of Wireless Networks Security issues as wireless transmissions are easily intercepted - Answer Disadvantage of Wireless...
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IB Computer Science HL Terms Study Guide Questions Well Answered.

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    IB Computer Science HL Terms Study Guide Questions Well Answered.

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  • abstract data structure - Answer A way of organizing data and its related procedures and functions. accessor methods - Answer Methods that do not alter the state or attributes of an object; their purpose is to return information. accumulator - Answer A storage register in the ALU that holds data temporarily while the data is processed and before it is transferred to memory. A-D converter - Answer Analog-digital converter. A device for converting analog signals into digital o...
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COMPUTER SCIENCE Exam Package Deal Questions and Answers 100% Solved

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    COMPUTER SCIENCE Exam Package Deal Questions and Answers 100% Solved

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  • COMPUTER SCIENCE Exam Package Deal Questions and Answers 100% Solved
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B Computer Science Topic 1 Question and Answer 100% Correct

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    B Computer Science Topic 1 Question and Answer 100% Correct

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  • IB Computer Science Topic 1 Question and Answer 100% Correct SaaS (Software as a Service) - software distribution model in which applications are hosted by a vendor or service provider and provided to customers over a network The four types of changing to a new system - parallel running, pilot running, direct changeover and phased conversion Parallel Running - both the old and new system run at the same time Pilot Running - one section of the business is trying out the new software whil...
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