What is a 16 bit processor

Processor chip
Processor chips (processor chip) realize logical functions that range from subordinate units to complete processors for central units and for controlling peripheral devices.

microprocessor
A complete processor that is housed on a chip is called microprocessor. Microprocessors are usually divided into 8-bit, 16-bit, 32-bit and 64-bit processors based on the processing width.

Processing breadth
An 8-bit processor has an eight-bit data bus, which means that eight bits (= one byte) can be transmitted on eight parallel data lines during a (clock) time unit. And a 64-bit processor can transmit 64 bits per clock if necessary; that is, the data transfer can take place eight times as fast as with an 8-bit processor. The other functional units within the processor, for example the units for temporarily storing the transferred data, so-called registers, are also matched to this information width. The Processing breadth is therefore an essential criterion for the performance of a microprocessor.

One-chip computer
At a One-chip computer (MCU; Abbreviation for English: micro computer unit) a complete central unit is integrated on a single chip. Such "miniature computers" are used in all kinds of devices, such as cameras, stereo systems, washing machines, cars, etc.

8-bit processor
A 8-bit processor is a microprocessor with a processing width of 8 bits.

16-bit processor
A 16-bit processor is a microprocessor with a processing width of 16 bits.

32-bit processor
A 32-bit processor is a microprocessor with a processing width of 32 bits.

64-bit processor
A 64-bit processor is a microprocessor with a processing width of 64 bits.


Cycle time
Another determinant of the performance of a processor, besides the processing width, is the Cycle time (= Cycle time,Clock cycle; engl .: cycle time), that is, the equally long, cyclically successive period of time that is available for processing the commands. The clock cycle is the reciprocal of the clock rate and is therefore mainly specified in nanoseconds (ns).

Clock frequency
The Clock frequency (=Clock rate; engl .: clock pulse) is a measure of the processing speed of a processor and is measured in megahertz. By using simple, short machine instructions and parallel processing units, today's most powerful 64-bit microprocessors can execute three to four instructions per cycle. At a clock rate of 200 megahertz, this is theoretically 600 to 800 million processor commands per second (input / output commands take many times longer).

Clock
Controls the timing of the machine operations Clock (English: clock); this is a pulse generator (with a certain clock frequency) to synchronize operations.

Megahertz
The clock frequency is in Megahertz (abbreviated: MHz; 1 MHz = 1 million cycles per second).

Millisecond
1 second = 1000 Milliseconds (ms)

Microsecond
1 second = 1 million Microseconds

Nanosecond
1 second = 1 billion Nanoseconds (ns)