Flashcards

flashcards

ev bowen English 21 cards

Cards in this deck (21)

1AlgorithmA sequence of unambiguous instructions for solving a problem. It can be represented as a
Turing machine program.
2bits in bytes8
3Bubble SortA sorting algorithm where during a pass, neighboring values are compared and swapped.
Passes are made until no further swaps are needed.
4DatabaseA structured collection of data.
5EncryptionUsing an algorithm and a key to convert message data into a form that is not
understandable without that key.
6InternetA global wide area network that is formed from the interconnection of many other networks
and that uses the TCP/IP protocol.
7Linear SearchStarts at the beginning of the list and compares each element in turn with the required value
until a match is found, or the end of the list is reached.
8ListA collection of elements with an inherent order.
9Relational DatabaseA collection of tables which can be linked together by means of primary and foreign keys.
10ServerA computer that provides shared resources to network users
11TrojanA program that hides in or masquerades as desirable software, such as utility or a game,
but attacks computers it infects.
12WormA small program that exploits a network security weakness (security hole) to replicate itself
through computer networks
13what is a BooleanTrue/False
14what base is Hexadecimalbase 16
15what base is BinaryBase 2
16bit rate equationBit rate of channel = (baud rate) x (number of bits per signal)
17parity bits
18check digitw
19check sums
20ARQw
21why error checking is neededx