Video is basically data; rather we can term it more aptly as a signal. The signal can be transmitted as analog or digital signal/data; but the thing which remains in the background is that what makes this signal so special. Let us look at this that “how video is displayed on a screen”. First we…
Motherboard : Components of Motherboard
Everyone who owns or wants to own a PC needs to know about motherboard. We all are always interested in Processor, memory-RAM, storage- Hard Disk. But we all tend to forget the most important component which ties all the above – Motherboard.Motherboard is glue which binds all the components of a Computer. Every component directly or indirectly attached/installed/connected to a system has a connection to motherboard, because it is the base on which system & its components/peripheral devices stand and perform. Technically speaking motherboard is a PCB- Printed Circuit Board that provides an interconnection to almost every component present in a PC. It is also known as system/main board. There are various roles that a motherboard plays. The important ones are: It acts as glue which binds all the components together. It’s main job is to coordinate with the various operations performed by the various components; it serves as a interface for all the modular singular components of a system like Central processing Unit – CPU, Random Access Memory – RAM, Storage device – Hard Disk ( Magnetic or Solid State); to provide slots and expansion cards to enhance the functionality of a system. There is development of new devices with new interfaces every day. Motherboard need to provide the slots to include the functionality; to deliver the power to the various components and devices as per their requirements.
How Clock in Computer works
Even after rebooting your computer you get exact date and time. Have you ever given it a thought that how is it possible? The answer is pretty simple; there must be an independent power source running a clock which runs even when system main power is off. Let us explore it. RTC- Real…
How Video Players work
Clicking on Michael Jackson video or Mission Impossible movie leads to… Video display, but what is so special about these files? What is the data present in these files and how a player plays these files? The answer is Codec. A codec is a software (at times also considered as hardware unit as set-top box attached with video…
What is Firewall & How it works
All those who have Windows XP/Vista/7 installed in their machine, would have seen the adjoining icon. This is the icon of FIREWALL. We all listen thisterm quite often, but actually what is Firewall? Is it hardware or software? Do we need it in personal computer/laptop or is it only needed in organizations? Is it different…
How Cache Memory works
Cache is term which is common heard today. With exponential advancement in field of faster processors popping up every day, the usage of this terminology has increased rapidly. This has also been the most major parameter in faster processing, but what is cache actually. Is it processing unit or memory? What is L1, L2 and…
How Computer Virus works
All of us understand the need of having an antivirus installed on our PC, but have you ever given thought about what are viruses? Why are they called virus? Who created the first virus? Who makes virus and why do they make them? Can virus spread by opening a link or reading an email? If…
How PC Boots Up
Have you ever given it a thought that when you press the power button on your laptop or PC, what happens behind the logo of Windows XP/Vista/Seven or Linux. From the pressing of the power button to the appearance of the login screen there are more than hundred components/peripherals that are initialized and thousand lines…