error detection system
61Dynamic random-access memory — DRAM redirects here. For other uses, see Dram (disambiguation). Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
62Dynamic random access memory — (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically …
63Information theory — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… …
64Parity bit — 7 bits of data (number of 1s) 8 bits including parity even odd 0000000 (0) 00000000 10000000 1010001 (3) 11010001 01010001 1101001 (4) 01101001 11101001 1111111 (7) 11111111 …
65Tandem Computers — A Tandem Computers promotional mug Tandem Computers, Inc. was the dominant manufacturer of fault tolerant computer systems for ATM networks, banks, stock exchanges, telephone switching centers, and other similar commercial transaction processing… …
66Dynamic program analysis — is the analysis of computer software that is performed by executing programs built from that software system on a real or virtual processor. For dynamic program analysis to be effective, the target program must be executed with sufficient test… …
67Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
68Spyware — is a type of malware that can be installed on computers, and which collects small pieces of information about users without their knowledge. The presence of spyware is typically hidden from the user, and can be difficult to detect. Typically,… …
69History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
70Information technology audit process — Information technology audit process:Generally Accepted Auditing Standards (GAAS)In 1947, the American Institute of Certified Public Accountants (AICPA) adopted GAAS to establish standards for audits. The standards cover the following three… …
