Ocr compute Study guides, Class notes & Summaries

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...

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...

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...

OCR GCSE COMPUTER Computer Science (J277-02) MARK SCHEME 2024 Computational thinking, algorithms and programming

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...

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...

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...

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...

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

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