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Questions Asked: 139

Best Answers: 125

What is Latency?

Asked by Anju in Computers & Technology at 6:43 AM on November 20, 2007

mrmister's Answer

In general, the period of time that one component in a system is spinning its wheels waiting for another component. Latency, therefore, is wasted time. For example, in accessing data on a disk, latency is defined as the time it takes to position the proper sector under the read/write head.

Answered at 10:21 PM on November 21, 2007

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What is LCD?

Asked by Anju in Computers & Technology at 6:43 AM on November 20, 2007

mrmister's Answer

Short for liquid crystal display, a type of display used in digital watches and many portable computers. LCD displays utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light cannot pass through them. Each crystal, therefore, is like a shutter, either allowing light to pass through or blocking the light.

Answered at 10:19 PM on November 21, 2007

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What is Leaf?

Asked by Anju in Computers & Technology at 6:44 AM on November 20, 2007

mrmister's Answer

Items at the very bottom of a hierarchical tree structure. In hierarchical file systems, files are leaves because they can have nothing below them. Directories, on the other hand, are nodes

Answered at 10:13 PM on November 21, 2007

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What is NNTP?

Asked by Anju in Computers & Technology at 6:44 AM on November 20, 2007

mrmister's Answer

Short for Network News Transfer Protocol, the protocol used to post, distribute, and retrieve USENET messages. The official specification is RFC 977.

Answered at 10:11 PM on November 21, 2007

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What is NOC?

Asked by Anju in Computers & Technology at 6:44 AM on November 20, 2007

mrmister's Answer

Short for network operations center, the physical space from which a typically large telecommunications network is managed, monitored and supervised. The NOC coordinates network troubles, provides problem management and router configuration services, manages network changes, allocates and manages domain names and IP addresses.

Answered at 10:10 PM on November 21, 2007

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What is Leaderboard?

Asked by Anju in Computers & Technology at 6:43 AM on November 20, 2007

mrmister's Answer

An ad format with the dimensions of 728x90 pixels. Leaderboards have started to replace 468x60 banners as more people are using larger resolutions and the 468x60 has less impact as it once did.

Answered at 10:14 PM on November 21, 2007

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What is Node?

Asked by Anju in Computers & Technology at 6:44 AM on November 20, 2007

mrmister's Answer

In networks, a processing location. A node can be a computer or some other device, such as a printer. Every node has a unique network address, sometimes called a Data Link Control (DLC) address or Media Access Control (MAC) address.

Answered at 10:09 PM on November 21, 2007

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What is NTFS?

Asked by Anju in Computers & Technology at 6:44 AM on November 20, 2007

mrmister's Answer

Short for NT File System, one of the file system for the Windows NT operating system (Windows NT also supports the FAT file system). NTFS has features to improve reliability, such as transaction logs to help recover from disk failures. To control access to files, you can set permissions for directories and/or individual files. NTFS files are not accessible from other operating systems such as DOS.

Answered at 10:08 PM on November 21, 2007

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What is NTSC?

Asked by Anju in Computers & Technology at 6:45 AM on November 20, 2007

mrmister's Answer

Short for National Television System Committee. The NTSC is responsible for setting television and video standards in the United States (in Europe and the rest of the world, the dominant television standards are PAL and SECAM). The NTSC standard for television defines a composite video signal with a refresh rate of 60 half-frames (interlaced) per second.

Answered at 10:07 PM on November 21, 2007

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What is Null?

Asked by Anju in Computers & Technology at 6:45 AM on November 20, 2007

mrmister's Answer

A value indicating that a variable contains no valid data. Null is the result of: An explicit assignment of Null to a variable. Any operation between expressions that contain Null.

Answered at 10:06 PM on November 21, 2007

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