Ocr compute Study guides, Class notes & Summaries
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OCR Computer Science A Level - 1.3.2 Databases accurate Questions And Answers
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OCR Computer Science A Level - 1.3.2 Databases accurate Questions And Answers 
 
Entity - ANSWERSA category of object, person, event or thing of interest to an organisation about which data is to be recorded 
 
Attribute - ANSWERSClues in the name 
 
Flat File database - ANSWERSDatabase consists of a single file 
 
Entity identifier and primary key - ANSWERSAn identifier which uniquely identifies each entity. (Shown with an asterisk) 
 
Secondary key - ANSWERSA secondary index that can help ide...
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GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025
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GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Questions with Correct Answers 2024/2025GCSE OCR Computer Science: Networks Question...
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A Level OCR Computer Science 2.1 - Elements of computational thinking Questions And Answers 100% accurate!
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A Level OCR Computer Science 2.1 - Elements of computational thinking Questions And Answers 100% accurate! 
 
Define computational thinking - ANSWERSThe ability to think logically about a problem and apply techniques for solving it 
 
Define Abstraction - ANSWERSThe process of removing unneeded complexities, which creates a more generalised solution that is more useful. Reduces computational resources required. Focus on the main purpose of program 
 
What is the need for abstraction? - ANSWERSSa...
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OCR GCSE COMPUTER Computer Science (J277-02) MARK SCHEME 2024 Computational thinking, algorithms and programming
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OCR GCSE COMPUTER Computer Science (J277-02) MARK SCHEME 2024 Computational thinking, algorithms and programming
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OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers
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OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 Databases Correct Questions And Answers OCR Computer Science A Level - 1.3.2 D...
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OCR Computer Science A Level - 1.3.2 Databases Exam 2024 Questions And Answers 100% accurate!
- Exam (elaborations) • 4 pages • 2024
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OCR Computer Science A Level - 1.3.2 Databases Exam 2024 Questions And Answers 100% accurate!Entity - ANSWERSA category of object, person, event or thing of interest to an organisation about which data is to be recorded 
 
Attribute - ANSWERSA named piece of data about a particular entity, with an associated data type. Also known as a field. 
 
Flat File database - ANSWERSDatabase consisting of tables which have no links to one another. Each table is entirely standalone. 
 
Primary Key - ANSWERS...
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A Level OCR Computer Science 2.1 - Elements of computational thinking Questions And Answers 100% Correct!
- Exam (elaborations) • 3 pages • 2024
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Define computational thinking - ANSWERSThe ability to think logically about a problem and apply techniques for solving it 
 
Define Abstraction - ANSWERSThe process of removing unneeded complexities, which creates a more generalised solution that is more useful. Reduces computational resources required. Focus on the main purpose of program 
 
What is the need for abstraction? - ANSWERSSaves memory and resources: Large amount of irrelevant data, that would prevent the most efficient and general s...
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OCR Computer Science A Level - 1.3.2 Databases Exam 2024 Questions And Answers 100% Correct
- Exam (elaborations) • 4 pages • 2024
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Entity - ANSWERSA category of object, person, event or thing of interest to an organisation about which data is to be recorded 
 
Attribute - ANSWERSA named piece of data about a particular entity, with an associated data type. Also known as a field. 
 
Flat File database - ANSWERSDatabase consisting of tables which have no links to one another. Each table is entirely standalone. 
 
Primary Key - ANSWERSAn attribute which uniquely identifies each entity in a table. 
 
Secondary key - ANSWERSAn a...
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A-Level OCR Computer Science Practice Questions and Answers
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CPU Central Processing Unit 
 
ALU Arithmetic Logic Unit 
 
CU Control Unit 
 
PC (CPU) Program Counter 
 
ACC Accumulator 
 
MAR Memory Address Register 
 
MDR Memory Data Register
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A-Level OCR Computer Science Practice Questions and Answers
- Exam (elaborations) • 5 pages • 2024
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CPU Central Processing Unit 
 
ALU Arithmetic Logic Unit 
 
CU Control Unit 
 
PC (CPU) Program Counter 
 
ACC Accumulator 
 
MAR Memory Address Register 
 
MDR Memory Data Register
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