COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A component of a computer system
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A device that is not directly connected to the CPU
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A device that is directly connected to the CPU
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A device that is plugged in
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Detailed explanation-1: -Input and output devices, which are also known as peripherals, are hardware devices connected to a computer, such as a screen, printer, keyboard or camera. To operate a peripheral, the operating system uses a program called a device driver . Device drivers contain instructions on how to control a device.
Detailed explanation-2: -Memory Unit/ CacheEdit Most CPU chips also include some Very fast memory which is used as an intermediary between the processor and the main memory. Stores the most frequently or most recently used instructions and data so that they might be retrieved quickly.
Detailed explanation-3: -So, it can’t be the physical part of a computer. Hardware: Computer hardware is the actual physical parts of a computer it consists of. This includes the central processing unit(CPU), monitor, mouse, keyboard, speakers, motherboard etc.
Detailed explanation-4: -In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU’s control unit that holds the instruction currently being executed or decoded.