March 2010

• March 31, 2010 31 Mar'10

  DOS Cheat Sheets

  Although you may not use it on a daily basis, DOS can be very handy from time to time. We've gathered cheat sheets for fast reference to DOS.  Continue Reading

• March 31, 2010 31 Mar'10

  Networking Cheat Sheets

  We've gathered our cheat sheets for fast reference to networking technology information. You'll find cheat sheets listing specifications, cabling information and more.  Continue Reading

• March 31, 2010 31 Mar'10

  Networking Quizzes

  We've gathered a collection of our quizzes to test your networking knowledge. You'll find quizzes about network infrastructure and design, network administration, network security and more.  Continue Reading

• March 28, 2010 28 Mar'10

  Microsoft Word Cheat Sheets

  We've gathered resources from around the Web to help you work more effectively in Microsoft Word. You'll find cheat sheets for keyboard shortcuts and information about new features such as the ribbon, the Office button and the navigation pane.  Continue Reading

• March 27, 2010 27 Mar'10

  Data Center Learning Guides

  We've gathered a collection of our learning guides and tutorials on data centers. You'll find in depth information about data center planning and design, data center management, green data centers and more. Then, read on for more resources.  Continue Reading

• March 27, 2010 27 Mar'10

  North American Electric Reliability Corporation (NERC)

  North American Electric Reliability Corporation (NERC) is an institution that oversees and regulates the reliability of the North American electrical grids.  Continue Reading

• March 24, 2010 24 Mar'10

  frequency

  For an oscillating or varying current, frequency is the number of complete cycles per second in alternating current direction.  Continue Reading

• March 24, 2010 24 Mar'10

  EPROM

  EPROM (erasable programmable read-only memory) is programmable read-only memory (programmable ROM) that can be erased and re-used.  Continue Reading

• March 24, 2010 24 Mar'10

  EEPROM (electrically erasable programmable read-only memory)

  EEPROM (electrically erasable programmable read-only memory) is user-modifiable read-only memory (ROM) that can be erased and reprogrammed (written to) repeatedly through the application of higher than normal electrical voltage.  Continue Reading

• March 24, 2010 24 Mar'10

  electromagnetic radiation spectrum

  The electromagnetic radiation spectrum is the complete range of the wavelengths of electromagnetic radiation, beginning with the longest radio waves (including those in the audio range) and extending through visible light (a very small part of the ...  Continue Reading

• March 24, 2010 24 Mar'10

  electromagnetic field

  An electromagnetic field, sometimes referred to as an EM field, is generated when charged particles, such as electrons, are accelerated... (Continued)  Continue Reading

• March 24, 2010 24 Mar'10

  Dynamic Data Exchange (DDE)

  In the Windows, OS/2, and (with third-party development kits) other operating systems, Dynamic Data Exchange (DDE) allows information to be shared or communicated between programs.  Continue Reading

• March 24, 2010 24 Mar'10

  Carbon Reduction Commitment (CRC)

  The Carbon Reduction Commitment (CRC) is a mandatory emissions-reduction standard in the UK. CRC aims for a carbon reduction of 1.2 million tonnes by 2020 and an 80% cut in carbon emissions by 2050. With the exception of transportation fuels, CRC ...  Continue Reading

• March 23, 2010 23 Mar'10

  bit (binary digit)

  A bit (short for binary digit) is the smallest unit of data in a computer.  Continue Reading

• March 23, 2010 23 Mar'10

  apparent power

  Apparent power is a measure of alternating current (AC) power that is computed by multiplying the root-mean-square (rms) current by the root-mean-square voltage.  Continue Reading

• March 23, 2010 23 Mar'10

  true power

  True power is the power manifested in tangible form such as electromagnetic radiation, acoustic waves, or mechanical phenomena.  Continue Reading

• March 23, 2010 23 Mar'10

  The speed of end-user and backbone transmission technologies

  This table shows the stated data rates for the most important end-user and backbone transmission technologies.  Continue Reading

• March 23, 2010 23 Mar'10

  susceptance

  Susceptance (symbolized B) is an expression of the ease with which alternating current (AC) passes through a capacitance or inductance.  Continue Reading

• March 23, 2010 23 Mar'10

  polarity

  Polarity is a term used in electricity, magnetism, and electronic signaling.  Continue Reading

• March 23, 2010 23 Mar'10

  OSI Reference Model illustrated

  Cheat sheet quick look-up for OSI.  Continue Reading