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Computer Science Ocr Gcse Components Of A Computer System Exam Questions And Answers
Computer Science Ocr Gcse Components Of A Computer System Exam Questions And Answers
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Gcse Computer Science Ocr (Components Test Questions And Answers)
Computer A machine that processes data. Embedded Systems Computers built into other devices, like dishwashers, microwaves and TVs. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen CPU Known as the 'brain' of the computer. It processes all of the data and instructions that make the systems work. Characteristics which affect the processing power of the CPU - Clock speed - Number of cores - C...
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Ocr Gcse Computer Science - Network Protocols Test Questions And Answers
TCP This sets how devices communicate on a network, responsible for splitting the data into packets and reassembling the packets into the original order once they reach the desired device. IP The protocol responsible for packet switching. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen HTTP Used by web browsers to access websites and communicate with web servers. HTTPS A more secure version of...
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Ocr Gcse Computer Science - Paper 1 Key Terms And Definitions 2024.
Arithmetic Logic Unit (ALU) Performs operations on data e.g. Addition, subtraction Control Unit (CU) Coordinating activities of the CPU Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Registers Quick, small stores of data within the CPU Memory Address Register (MAR) Holds memory address for data or a instruction about to be used by the CPU Memory Data Register (MDR) Holds actual data o...
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Gcse Ocr J277- Computer Science Memory And Storage Test Questions With 100% Correct Answers
Primary Memory Memory that can be addressed and accessed directly by the processor. 2 types of primary memory ->RAM (Random Access Memory) -> RAM (Read Only Memory) Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen RAM (Random Access Memory) -> Stores parts of the OS currently being used by the computer for access by the CPU -> Stores programs currently running for access by the CPU ->...
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Ocr Computer Science Paper 1 Exam Questions And Answers Already Graded A+
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...
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Ocr Gcse Computer Science - Unit 2 Revision Exam Questions And Answers 2024
Define what is meant by abstraction. Abstraction means removing unnecessary details to focus on the important elements. What is an algorithm? An algorithm is a step-by-step procedure for solving problems. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen An algorithm can be written and displayed as plain, written text. State two other ways of displaying algorithms. Pseudocode Flow diagrams Defi...
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Gcse Ocr Computer Science – Network Exam Questions And Answers
What is a network? A network is a set of connected computers and other devices in order to share resources. This includes files, application software and hardware. What are the two types of network? LAN and WAN What is a LAN? Local Area Network - covers a small geographical area What is a WAN? Wide Area Network - covers a large geographical area What is network infrastructure? Network infrastructure is the hardware and software resources of an entire network that...
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The Cpu Gcse Ocr Computer Science Exam Questions With 100% Correct Answers
What does the CPU stand for? The Central Processing Unit. What is the CPU? The brain of the computer system. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What does the CPU do? Process all the data and instructions that make the computer system work. What does the processing power of a CPU depend on? It's: -Clock speed -Number of cores -Cache size What does the CPU architecture de...
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Ocr Gcse Computer Science 9 - 1 (Component 1) With 100% Correct Answers
CPU Central Processing Unit: The main part of the computer, consisting of the registers, ALU and control unit. Von Neumann Architecture Traditional computer architecture that forms the basis of most digital computer systems. Instructions are fetched, decoded and executed one at a time. Brainpower Read More MAR Memory Address Register: Holds the address of data ready for use by the memory data register. or the address of an instruction passed from the program counter. Step 2 ...
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Ocr Gcse Computer Science - Operating Systems Exam Questions And Answers
What does the 'Operating System' do with peripheral devices? Allow the computer to communicate with them What does the word 'Interface' mean? A menu that the user can interact with Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:14 / 0:15 Full screen What is a GUI? Graphical User Interface If you are writing a document and you press print, does the program know how to communicate with the printer?...why? No, it...
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Ocr Gcse Computer Science Paper 1 Test Questions And Answers.
what is the purpose of the CPU? to process data by following the fetch-decode-execute cycle, it's incharge of searching, sorting, calculating and decision making what happens at the fetch stage? the CPU fetches data and instructions from RAM and then stores them in it's own temporary memory called registers Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen what happens at the decode stage? the CPU und...
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Ocr Gcse (9-1) Computer Science 1.2 Memory Test Questions And Answers
What is RAM? Random Access Memory What is ROM? Read Only Memory What does volatile mean? Loses all contents when power is lost Is RAM volatile or non-volatile? RAM is volatile Is ROM volatile or non-volatile? ROM is non-volatile What is the purpose of RAM? To store files/data and the part of the operating system currently in use, to be accessed by the CPU What is the purpose of ROM? Contains the BIOS and bootstrap loader for starting the compute...
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Ocr Gcse Computer Science Paper 2 Revision Exam Questions And Answers.
Computational thinking The steps you take to find rhe best solution to a complex problem Three key techniques for computational thinking Decomposing - breaking down into smaller problems and solving individually Abstraction - picking out the important bits Algorithmic thinking - logical way of getting from the problem to the solution - steps Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:04 / 0:15 Full screen Writing alg...
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Ocr Gcse Computer Science - Unit 1 Revision Exam Fully Solved & Updated 2024.
List two components with which the CPU works to execute program instructions. Memory Input and Output Devices Describe the role of the Control Unit in the fetch-decode-execute cycle. The control unit coordinates the actions of the computer. It sends out control signals to other parts of the CPU and to other components of the computer. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen State the function ...
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