Ocr computer Study guides, Class notes & Summaries

ocr computer science EXAM STUDY GUIDE

What does the operating system do? - ANSWERScommunicates between the hardware and (the user and the software) Provides an interface for the users How is the operating system loaded to RAM - ANSWERSThe boot loader in ROM loads the Operating System into RAM What are the functions of the operating system - ANSWERSUser interface Memory management Interrupt handling Processor scheduling What is the purpose of the user interface - ANSWERSGives user an intuitive way of interacting with com...

What is the purpose of systems software? - correct answer Software designed to run or maintain a computer Describe the functionality of systems software. - correct answer It controls the operations of computer hardware What is an operating system? - correct answer A piece of software responsible for running the computer, managing hardware, applications, users and resources What are the 5 things that operating systems are used for? - correct answer providing a UI, memory management/multi...

OCR Computer Science GCSE //CPU EXAM WITH ANSWERS [100% PASS] CPU - Central Processing Unit executes instructions, processes data, fetches data and stores data into main memory once executed (performs the fetch decode execute cycle). It make a computer system function MAR - Memory Adress Register holds the address of the current instruction that is to be fetched from memory MDR - Memory Data Register holds the contents found at the address held in the MAR Main Memory/Primary Storage...

OCR Computer Science GCSE //CPU EXAM WITH ANSWERS [100% PASS] CPU - Central Processing Unit executes instructions, processes data, fetches data and stores data into main memory once executed (performs the fetch decode execute cycle). It make a computer system function MAR - Memory Adress Register holds the address of the current instruction that is to be fetched from memory MDR - Memory Data Register holds the contents found at the address held in the MAR Main Memory/Primary Storage...

HIPAA and Privacy Act Training (1.5 hrs.) - Pre-Test Answers with Complete Solutions Under HIPAA, a covered entity (CE) is defined as: All of the above HIPAA allows the use and disclosure of PHI for treatment, payment, and health care operations (TPO) without the patient's consent or authorization. True The minimum necessary standard: All of the above Which of the following is NOT electronic PHI (ePHI)? Health information stored on paper in a file cabinet Which of the follo...

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What is the purpose of systems software? Software designed to run or maintain a computer Describe the functionality of systems software. It controls the operations of computer hardware Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What is an operating system? A piece of software responsible for running the computer, managing hardware, applications, users and resources What are the 5 things th...

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 (1.1.1) Exam 2024 Questions & Answers 100% accurate! CPU - ANSWERSCentral Processing Unit ALU - ANSWERSArithmetic Logic Unit CU - ANSWERSControl Unit PC (CPU) - ANSWERSProgram Counter ACC - ANSWERSAccumulator MAR - ANSWERSMemory Address Register MDR - ANSWERSMemory Data Register CIR - ANSWERSCurrent Instruction Register Define CPU - ANSWERSThe main processor in a computer system handling data and instructions. Define ALU - ANSWERSA circuit...