Reference (Computer Science)

Reference (Computer Science)

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer science, a reference is a value that enables a program to indirectly access a particular datum, such as a variable or a record, in the computer's memory or in some other storage device. The reference is said to refer to the datum, and accessing the datum is called dereferencing the reference. A reference is distinct from the data itself. Typically, a reference is the physical address of where the data is stored in memory or in the storage device. For this reason, a reference is often called a pointer or address, and is said to point to the data. However a reference may also be the offset between the datum's address and some fixed "base" address, or an index into an array.show more

Product details

  • Paperback | 76 pages
  • 152 x 229 x 5mm | 122g
  • Salv
  • United States
  • English
  • black & white illustrations
  • 6136250489
  • 9786136250489