List five components of a computer system and explain their roles. (10 MARKS
Question
List five components of a computer system and explain their roles. (10 MARKS
Solution
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Central Processing Unit (CPU): The CPU is often referred to as the "brain" of the computer. It interprets and executes instructions and data from the computer's memory. It performs all the calculations and makes all the decisions.
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Memory (RAM): Random Access Memory (RAM) is the computer's temporary storage space. It stores the data and instructions that the CPU needs in the short term. The more RAM a computer has, the more data it can process at the same time, which generally makes the computer run faster.
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Storage: The storage component of a computer holds all the data and information. This includes the operating system, software applications, and files. The most common types of storage are Hard Disk Drives (HDD) and Solid State Drives (SSD).
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Input Devices: Input devices allow users to enter data and instructions into the computer. Examples of input devices include keyboards, mice, scanners, and webcams.
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Output Devices: Output devices allow the computer to communicate information to the user. This can be in the form of text, photos, music, or video. Examples of output devices include monitors, printers, and speakers.
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