Browse Definitions :
Definition

silicon (Si)

Silicon is a chemical element (its symbol in chemical formula expressions is "Si") that is present in sand and glass and which is the best known semiconductor material in electronic components. Its atomic number is 14. The most common isotope has atomic weight 28. In its pure state, silicon is a metal-like substance with an appearance and heft somewhat resembling aluminum. In its natural state, silicon appears bound up with other elements in the form of compounds. It is abundant in the crust of the earth.

Silicon conducts electricity to an extent that depends on the extent to which impurities are added. The addition of impurities to silicon, or to any semiconductor material, is called doping . Some impurities produce N-type silicon, in which the majority charge carriers are negatively charged electron s. Other impurities result in the production of P-type silicon, in which the majority charge carriers are positively charged hole s. Most silicon devices contain both N-type and P-type material.

Silicon is used in a wide variety of electronic and computer components, including:

This was last updated in March 2011

Continue Reading About silicon (Si)

SearchCompliance
  • OPSEC (operations security)

    OPSEC (operations security) is a security and risk management process and strategy that classifies information, then determines ...

  • smart contract

    A smart contract is a decentralized application that executes business logic in response to events.

  • compliance risk

    Compliance risk is an organization's potential exposure to legal penalties, financial forfeiture and material loss, resulting ...

SearchSecurity
  • private key

    A private key, also known as a secret key, is a variable in cryptography that is used with an algorithm to encrypt and decrypt ...

  • DOS (disk operating system)

    A DOS, or disk operating system, is an operating system that runs from a disk drive. The term can also refer to a particular ...

  • security token

    A security token is a physical or digital device that provides two-factor authentication for a user to prove their identity in a ...

SearchHealthIT
SearchDisasterRecovery
  • What is risk mitigation?

    Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.

  • change control

    Change control is a systematic approach to managing all changes made to a product or system.

  • disaster recovery (DR)

    Disaster recovery (DR) is an organization's ability to respond to and recover from an event that affects business operations.

SearchStorage
  • What is RAID 6?

    RAID 6, also known as double-parity RAID, uses two parity stripes on each disk. It allows for two disk failures within the RAID ...

  • PCIe SSD (PCIe solid-state drive)

    A PCIe SSD (PCIe solid-state drive) is a high-speed expansion card that attaches a computer to its peripherals.

  • VRAM (video RAM)

    VRAM (video RAM) refers to any type of random access memory (RAM) specifically used to store image data for a computer display.

Close