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(Computer performance, Purpose and description of the CPU, embedded…
Computer performance
Processor speed determines the overall speed at which tasks can be completed on a device—from simple tasks like opening documents and web pages, to more complex processes such as video editing and gaming.
The larger the cache size, the more data it can store and the faster the system performance. Larger cache sizes can improve system performance by reducing the need for the processor to access slower main memory.
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embedded systems
An embedded system is a microprocessor-based computer hardware system with software that is designed to perform a dedicated function, either as an independent system or as a part of a large system
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binary addition
Binary addition is much like your normal everyday addition (decimal addition), except that it carries on a value of 2 instead of a value of 10.
What is hexadecimal
Hexadecimal is a numbering system with base 16. It can be used to represent large numbers with fewer digits. In this system there are 16 symbols or possible digit values from 0 to 9, followed by six alphabetic characters -- A, B, C, D, E and F.
Unicode vs ASCII
ASCII is a subset of Unicode and represents a limited range of characters primarily used in the English language. In contrast, Unicode is a more comprehensive encoding scheme that can represent characters from multiple languages and scripts, including mathematical symbols and other specialized characters
lossy compression
Lossy compression is typically used when a file can afford to lose some data, and/or if storage space needs to be drastically 'freed up'.
benefits of compression
Compressed files require significantly less storage capacity than uncompressed files, meaning a significant decrease in expenses for storage.
defensive design
Defensive design is contingency planning using validation, sanitisation, authentication, maintenance and testing.
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