What is the slots/cards-computer world

What is the slots/cards

An expansion slots/card is computing circuit board that can be inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system the primary objective of an expansion card is to facilitated or expand fractures that not offered by the motherboard in simple way we can say that it provides an instillation point for a hardware. Expansion card to be connect there are many cards are available, some of them are given below :

1. Network adapter cards

2. SCSI cards

3. Sound cards

4. PC cards

5. Video cards

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Deadlock in operating system-computer world

Deadlock in operating system-computer world Deadlock : In a multi-programming environment, many process may complete for a minute number of resources. A process make a request for a resource and if the resource is not available at that time, the process enter In a waiting state. A waiting state process is never again-able to change state because the resource it has requested is held by other waiting process. This situation is called deadlock. So we can say that a process is said to be deadlock when it is waiting for an event or resources which will never occurs. so we can say that in this situation none of the process gets executed since the resource it needs, is held by some other process which is also waits for some other resource to be released. Let's assume that there are three process P1, P2, p3 and three different resources R1, R2 and R3. R1 is assigned to p1, R2 is assigned to P2 and R3 is assigned to P3. After somet...

What is sound card, video card, TV tuner card and network adapter card-computer world

What is sound card, video card, TV tuner card and network adapter card Sound card : Sound card is also known as audio card, sound sound board or audio output device. Sound card is a expansion card that provide the input and output of audio signals to and from a computer under control of computer programs. It is an expansion card for producing sound on computer that can be heard by speakers and headphones. Uses of sound card : Sound card is used for for providing the audio component for multimedia application such as video auditing , audio auditing .It is also used in the field of education. Video card : It is an expansion card that connect to a computer motherboard. Video card is also known as video adapter or video controller. It is used to create a picture on display. TV tuner card : A TV tuner card is like a television tuner that allow single to be received by a computer. TV tuner c...

Memory management in operating system-computer world

Memory management in operating system-computer world Memory management : The function of operating system which manages the memory of a computer for the processing of the program this management is known as memory management. There are several programs that consist in memory, so it became to move programs and data around the memory of a memory management system is the collection of hardware and software procedures for the Managing various program consisting in the memory. Memory management play an important role in operating system to improve the speed speed of the computer system. Memory management determines how memory is allocated between the processes, deciding which gets memory, when they receive it and how much they are allowed. When memory is allocated it determines which memory location will be assigned. Main memory refers to a physical memory that is the internal memory of the computer. Main memory is also known as RAM. The computer is able t...

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