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Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers. [1] [2]
In 2017, an online poll of social media users in the UK was reported to show that PowerPoint "remains as popular with young tech-savvy users as it is with the Baby Boomers," with about four out of five saying that "PowerPoint was a great tool for making presentations," in part because "PowerPoint, with its capacity to be highly visual, bridges ...
The System Management Unit (SMU) is an advanced internal subsystem introduced in late 2004 with the iMac G5 and Power Mac G5 series computers. It manages the functions previously governed by the PMU (Power Management Unit) as well as additional cooling functions.
Allows users to change system settings, similar to the Control Panel, but has less options [1] start ms-settings: Windows 8: Control Panel: Control Panel: Allows users to view and change basic system settings and controls, such as adding hardware, adding and removing software, controlling user accounts, and changing accessibility options ...
The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance. With the exception of impedance and admittance, any two ...
A central processing unit (CPU), also called a central processor, main processor, or just processor, is the primary processor in a given computer. [1] [2] Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations.
Encryption and Decryption are typically done at this level too, [9] although it can be done on the application, session, transport, or network layers, each having its own advantages and disadvantages. For example, when logging on to bank account sites the presentation layer will decrypt the data as it is received. [2]
A system bus is a single computer bus that connects the major components of a computer system, combining the functions of a data bus to carry information, an address bus to determine where it should be sent or read from, and a control bus to determine its operation. The technique was developed to reduce costs and improve modularity, and ...