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Question

One of the main feature that distinguish microprocessors from microcomputers is ___________.

A
Words are usually larger in microprocessors
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B
Words are shorter in microprocessors
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C
Microprocessor does not contain I/O devices
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D
Exactly the same as the machine cycle time
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E
None of the above
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Solution

The correct option is C Microprocessor does not contain I/O devices

One of the main feature that distinguish microprocessors from microcomputers is Microprocessor does not contain I/O devices.

I/O devices are the pieces of hardware used by a human (or other system) to communicate with a computer. ... The CPU and its supporting circuitry may provide memory-mapped I/O that is used in low-level computer programming, such as in the implementation of device drivers, or may provide access to I/O channels.

Alternatively referred to as an IO device, an input/output device is any hardware used by a human operator or other systems to communicate with a computer. As the name suggests, input/output devices are capable of sending data (output) to a computer and receiving data from a computer (input).

Microcomputer. Microcomputer, an electronic device with a microprocessor as its central processing unit (CPU). Microcomputer was formerly a commonly used term for personal computers, particularly any of a class of small digital computers whose CPU is contained on a single integrated semiconductor chip.


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