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Computer Hardware Guide Part 2

Continued from Computer Hardware Guide Part 1 

 We have covered some of the essential computer hardware in part 1 of our computer hardware guide. And now its for the rest of the computer component. 


Hard Disk Drive 

This computer hardware keeps all data permanently, unlike the RAM    which will erase data if the computer is shut down. Comes in sizes of 2.5” (for laptop) and 3.5” (for Desktop) 

Usually a numeric figure (in Gb) is stated and comes in various capacity.  

A rough calculation  

Assuming a 4 min long music song is stored in mp3 format and takes up 4mb worth of space in the hard disk. 160Gb will be able to store around 40,000 songs! 



Graphic Card   

As stated, this card is initially responsible for displaying images onto the monitor. However, due to the high rendering first-person-shooter games being produced, gamers will demand their graphics card to be better than the CPU. This is due to the fact that the graphic card will handle all taxing gaming images which the CPU was unable to process. To meet up the demands, even graphics cards are going dual core! 



Power Supply Unit (PSU) 

The heart of the every computer! This computer hardware sends power (pumps blood) to various devices, such as the mainboard, hard disk drives, etc.  

This is often the most overlooked hardware and is frequently compromised due to budget constraints. However, by cutting down on getting a good PSU, risks such as electric shock and under-current may occurs which could instantly destroy the mainboard and other hardware by providing the wrong current or voltage!! 


S-Mall Pte Ltd ensures that the PSU in the system are of high caliber and have been tested and proven to work with your Custom Computer System 



Computer Casing / Chasis

Computer case is the tough armor to protect the dedicated various computer hardware. 

Casing are important as they ventilate and regulate air flow to prevent overheating of the essential computer hardware. 


S-Mall Pte Ltd ensures that the casing provided will provide maximum airflow for their value and protection is given for the computer components. 



Optical Drives

Commonly known as CD-ROM / DVD-ROM or DVD Writers, this allows reading of various CDs/DVDs. ROM hardware are only able to read from CD / DVD, while DVD Writers enables writing (copying of data) to the discs.  

The latest technology for Optical Drive is currently Blu-Ray ROM will allows reading of Blu-ray disc. Due to the high cost, it is not widely included in systems. 


S-Mall Pte Ltd ensures that all systems purchased comes with a DVD-Writer for you to copy your valuable data to your DVDs 




Is a visual display unit that shows images generated by the graphic card. CRT monitors that are working today are using older technology which consumes more power. Mainstream monitor manufactured are now mostly LCD due to their compact size and cheaper cost to manufacture. 

LCD monitors come in various sizes, ranging from a minimum of 15” to up to 70”! 


S-Mall Pte Ltd ensures that the monitor provided are LCD and have a minimum size of 18.5” 




Keyboard and Mouse 

Is the hardware to input data and commands into the computer. 


S-Mall Pte Ltd hopes that the above computer guide will assist you in having a further understanding of computer hardware.


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Source: S-Mall Pte Ltd

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