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There are 3 main factors affecting cpu speed. These are No. Cores, Clock Speed, and Cache size.
No. Cores affects the CPU speed because there is often less 'bottlenecking' when there are lots of cores because more instructions to be dealt with.
Clock Speed affects the CPU speed because it it the max amount of instructions that the CPU can deal with per second often measured in GHz (1000000000 instructions per second). This helps us decide which CPU to buy.
Cache Size affects CPU speed because it is the storage of frequently used instructions, if the cache is small the storage of frequently stored instructions will be a bottleneck and hold the system back as every time the CPU has to fetch the instructions again.

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RAM and ROM are similar devices but with different purposes and different characteristics. RAM is read and write but is volatile, and ROM is read only but is non-volatile

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Solid state memory is something that is small and portable such as an SD card. Solid state devices have a limited number of read write cycles but has no moving parts, makes no noise, consumes low amounts of power and is non-volatile.

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within a CPU there are cores.in some systems there may be one or two cores and in some there may be 8 or even 16 cores.Each core works independently and helps the computer multitask
e.g (1+3)+(2+4)
with a single core cpu the cpu would have to work out 1+3 then 2+4 and then add them together however with a dual core cpu 1+3 and 2+4 can be worked out at the same time to save lots of time

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The images you see on your are made of tiny dots called pixels. At most common resolution settings, a screen displays over a million pixels, and the computer has to decide what to do with every one in order to create an image. To do this, it uses a translator. The translator which can take binary data from the CPU and turn it into a picture you can see. The CPU working with the software applications sends information about the image to the graphics card. The graphics card decides how to use the pixels on the screen to create the image. It then sends that information to the monitor through a cable.

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BIOS is non-volatile firmware used to perform hardware initialization during the booting process, and to provide runtime services for operating systems and programs

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BIOS is non-volatile firmware used to perform hardware initialization during the booting process, and to provide runtime services for operating systems and programs

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BIOS (Basic Input/Output system)

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there are lots of things that affect the speed of the CPU some of the factors include how fast the clock can tick which means how many times the CPU can process instructions

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Computer Hardware is the physical parts or components of a computer, These can include: monitor, keyboard, computer data storage, graphic card, sound card and motherboard.

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Bottlenecking occurs when the cpu is a limiting factor. e.g the cpu is to slow to process all the data a £500 graphics

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Read-only memory is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM can only be modified slowly, with difficulty, or not at all

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Secondary storage is needed because RAM is volatile and ROM is read only.This means that once the computer turns off all the data is lost

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Optical storage is the storage of data on an disk. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disk.

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An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints. It is embedded as part of a complete device often including hardware and mechanical parts.

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An arithmetic logic unit is a combinational digital electronic circuit that performs arithmetic operations on integer binary numbers. It performs calculations for the CPU

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A 'Power Supply' is an electrical device that supplies electric power, Power supplies are typically used in computer systems such as desktops.

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Magnetic storage or magnetic recording is the storage of data on a magnetised medium  a form of non-volatile memory

The data accessed using one or more read/write

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magnetic memory method masterclass review

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Magnetic Memory Method Masterclass REVIEW: Does It Work?

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READ THIS: If you've ever wanted to improve your memory, this course is the best way of doing it. Click here first: http://howtolucid.com/memory I understand that not everyone subscribed to this channel wants to improve their memory and that's fine, but for this who do, or for those who are thinking of buying the Magnetic Memory Method Masterclass, watch this short video review to learn some more about it.

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The card has a chip called a Graphics Processor Unit, a microprocessor specialized for video calculations. The GPU lets the computer's main processor do its job, allowing the computer to run at full speed.

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The computer is an electronic device that can take an input processes data and delivers an output.

a Fixed program unit is a computer that is limited to only doing one thing.

The purpose of a CPU is to fetch and execute instructions.

The cache has a longer memory than the registers.

The program counter holds the address of the next instruction this is passed to the memory address register the contents of the memory is passed to the memory data register and it needs to increment the program counter to the address of the next instruction the value will be passed to the accumulator if its needed by the arithmetic logic unit.

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Cloud storage is data which is stored on remote servers over the internet(Cloud). Some examples are OneDrive, dropbox and ICloud. Cloud storage can be easily accessed over the internet whenever an internet connection is available. It can be used fora backup of large amounts of data for a very low cost. However, Other people can access your data if they have your account details.

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Inside the CPU you have registers working together. The programme counter (PC) will start the first instruction by telling the memory address register (MAR) to go and fetch the first instruction. The memory data register will then fetch that instruction from the memory and store it. That instruction then gets sent to the memory data register (MDR) to be decoded, and a copy will be made in the cache and the instruction will then be sent to the accumulator (ACC) to then carry out that instruction.

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An operating system is system software that manages computer hardware and software resources and provides common services for computer programs.

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Read-Only Memory is  non-volatile and read-only memory. It is often used to store the initial data required by the CPU at the start when the power has just been. In comparison between the RAM and the ROM the ROM is smaller than the RAM in storage size and another is that RAM is read and write whilst ROM is read-only.

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Flash memory is a type of storage that has no moving parts and uses the movement of electrons to store data.Flash memory is not volatile and has a moderate/high capacity.Flash memory can also be very portable as it is very small

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Flash memory is an electronic, non-volatile computer storage that can be electrically erased and reprogrammed.

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basic input/output system,  program a personal computer's microprocessor uses to get the computer system started after you turn it on and  attached devices such as the hard disk, video adapter, keyboard, mouse and printer.

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Random Access Memory. The purpose is to store the instructions for the running programmes, it is read and write. Temporary storage of data in use by cpu. Volatile so all data stored is wiped when the computer is turned off. RAM is used to stored data of the progress of a game on a game console. Quick, almost instant, so that computer doesn't have a lag time. Often located near the CPU to reduce transfer times, it also has no moving parts.

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In computing, virtual memory is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a very large memory."

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The CPU is a Central processing unit  basic

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ROM is read only memory
it is small compared to RAM. ROM is non-volatile

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A rigid non-removable magnetic disk with a large data storage capacity.

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when the RAM has no more space to store the data currently in use programs that are running in the background are sent to the virtual memory in the hard drive.This process takes lots of time to as the data has to transfer from the RAM to the virtual memory.