This chapter tell us about things that have inside the computer itself. Let us find out about what kind of component that exist in computer?
1. Cases
Basically, the computer have cases, right? The case
is contains and protects the electronics of the computer or mobile
device from damage. It is act as a protector of computer. The picture below is
example of cases.
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| Figure 1.0 Cases |
2. Motherboard
Motherboard is the main circuit board
on the computer that connects all other part. It contains many computer chip
with integrated circuits.
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| Figure 2.0 Motherboard |
3. Processor
- - The processor, also called the central processing unit (CPU), is the logical circuit that responds to and processes the basic instruction that drives a computer. The processor in personal computer or in a small devices is often called microprocessor.
- - Contain a control unit and an arithmetic logic unit (ALU)
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| Figure 3.0 Central Processing Unit (CPU) |
•A multi-core processor is a single chip
with two or more separate processor cores. For every instruction, a processor
repeats a set of four basic operations, which consist of a machine cycle.
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| Figure 4.0 Multicore CPU Processor |
- For every instruction, a processor repeats a set of four basic operations, which consist of a machine cycle.
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| Figure 4.0 Machine cycle
•A processor chip generates heat that
could cause the chip to malfunction or fail
•Require additional cooling
–Heat sinks
–Liquid cooling technology
–Cooling mats
4. Data Representation
1)Analog Signal = continuous and vary
in strength and quality
2)Digital Signal = in one of two
states: on or off
Most computers are digital.
The circuitry in a computer or mobile device represents the on or the off states electronically by the presence or absence of an electronic charge.
Figure 5.0 Digital Signal
Eight bits grouped together as a unit are called a byte. A byte
represents
a single character in the computer or mobile device.
Figure 6.0 Byte
5. Memory
Stores three basic categories of items:
-
The operating system and other programs
-
Applications
-
Data being processed and the resulting information
System unit contains two types of memory:
•
Read-only memory (ROM) refers to memory chips storing
permanent data and instructions.
•
Flash memory can be erased electronically and rewritten.
Figure 7.0 Memory card and USB
6. Adapter
In a computer, an adapter
is often built into a card that can be inserted into a slot on the computer's motherboard.
Figure 8.0 Type of Adapter Cards
An expansion
slot is a socket on a desktop or server motherboard that can hold an adapter
card.
7. Power supply and battery
• Mobile computers and devices can run
using either a power supply or batteries
• Batteries typically are rechargeable
lithium-ion batteries
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Figure 9.0 Power supply and battery
As the conclusion is, even the computer also have many components in itself to become functionally. We can learn about how memory stores data and described various types of memory exists. I hope this sharing will help the you guys in knowing and protecting your computer or mobile devices as a precious one.
Next, I proceed with things that i have learn in the class lecture.
My lecture taught me and my friends about image editing.
IMAGE EDITING
My lecturer taught about GIMP which is quite famous for editing the images.
Thank you. 😊😊😊😊😊
#farahyunxoxo
