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Microprocessor Functions and Types Explained
1.
2. Microprocessor is a multipurpose
programmable logic device.
Microprocessor is like brain of the
system
Microprocessor accepts binary data
as input (from input device like
keyboard, mouse), processes data
according to those instructions and
provides results as output (to output
device like monitor, mouse)
3.
4. The microprocessor requires information to process
the data. It retrieves the information from the
external memory such as RAM. They are some types
of microprocessor:
1. Clock speed
2. FSB
3. L2Cache
5. The latest microprocessors have memory known as
level 1 (L1) cache built into it. the microprocessor
stores required information in this cache.
microprocessor first checks information to
processes, the data in the data cache
6. The speed of microprocessor depends on various
factors, such as the number of instructions it
processes, the bandwidth and the clock speed. The
clock speed of the microprocessor varies from
66MHz to 3.8 GHz.
The speed of the microprocessor also depends on
the transistors built into the processor. There are 2.5
million transistors in the microprocessor. The
microprocessor boost the data signals on the
processor.
7. FSB refers to the bus that connects the CPU to the
system memory.
It is also known as address bus, data bus.
it measures the speed at which the CPU
communicates with the RAM.
Its speed ranges from 66 to 1333MHz.
the speed of FSB can be set up using the BIOS setup
program or using the jumpers on the motherboard.
8. Level 2 cache is also referred to as
level 2 cache uses the same control
logic as level 1.
The size of the L2 cache varies from
256KB to 8MB.
9. There are two companies of microprocessor:
1. Intel and
2. Amd (advanced micro device)
1st processor introduced by Intel company and there
are so many types of processors.
12. Developed by Intel, it enables a single processor to work as two
logically different processors. This technology works only when two
processes with high processing requirement are running, such as a
video editing tool and an antivirus. This technology is available for
desktop-replacement notebooks, in the mobile Pentium 4 processor.
The Pentium 4 is available with Hyper-Threading (HT) technology.
Intel Celeron
It is similar to the Intel Pentium microprocessor. These
microprocessors are cheaper and more economical than the
Pentium microprocessors. The Intel Celeron microprocessors have
a small cache size than the Pentium microprocessors. Clock and
bus speed of the Celeron microprocessors is also less than the
Pentium.
13. This processor delivers faster performance
greater energy efficiency, n more responsible
multitasking. This processor provides better
processing speed n advanced power saving
feathers.
15. This processor supports hyper threading
technology. Core i3 models include models
for desktop processor. They are i3-530, i3-
540, i3-550 and i3-560.These models Speed
range starts from 2.93GHz to 3.33GHz.
16. This processor includes turbo boost
technology. Speed of i5 processor models
range starts from 2.8 GHz to 3.66 Ghz it
includes 4 to 8 MB smart cache models of i5
processors are i5-650, i5-655, i5-660, i5-
661, i5-670, i5-750 n i5-750s, these
different models have different frequency,
range, cache.
17. This processor mostly used in servers. It’s
features are higher than the i3 and i5
processor
Features:
Quick path interconnect: It’s a point to
point processor interconnects used to
connect corei7 processor to the controller
hub.
HD Boost: high definition boost.
18. The sockets of the motherboard connects the
microprocessor to the motherboard.
microprocessor or socket has some pins that
allow the processor to communicate with the
motherboard.
19. Examples:
1. Socket PGA370:it contains 370 pins.it
supports Celeron 2 n Pentium III.
2. Socket PGA478:It contains 478 pins. It
supports Pentium 4 microprocessor.
3. Socket LGA775: It’s developed by intel. It
is used with the latest processor such as
Pentium 4, Pentium.it contains 775 pins.