1.3: Exchanging data

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L H T W K F W D R D F S K V G N X H P A T
O T D V N T N S F F L N R R P C G K G L J
C A W C H K A G O R A D K E D J V R T G D
A A Y I X T Y N A P T M U L W J G O I D F
L X L R K Y S I X V F E A A Y F X W I B J
A F O C P Y J H V J I T Y T O T Q T N X P
R A X U A E T C R N L S H I R P N E K U B
E E R I J K P T N E E Y N O K I C N W R R
A C K T R Y I I B F D S P N I H F R P Q M
N D V S N R R W C S A E B A S S W E G J L
E B O W C A C S P E T M W L C N B E P R H
T O C I F D S T E V A A U D E O H P J U S
W C R T S N A E D T B N T A D I X O K D S
O L T C U O V K V A A N K T N T E T J O J
R V O H L C A C W L S I F A S A H R V F A
K J H I R E J A K B E A H B D L I E B U P
L B V N N S E P I Q Y M P A Q E M E R K F
A T C G C V B K P N Y O X S B R S P S Q N
N R J E L W P M C Y S D C E D I H C R R S
G Y L E W G Q T T O A Y T J Q C X L J S Q
N G J T T E H O G U B Y L U G Q D Y G C A

Clues

  • A different attribute that allows the data to be accessed in a different way. (9, 3)
  • A network using short-range communications hardware and can be anything from small houses to large offices. (5, 4, 7, 3)
  • A network where no computer has overall control and some computers may provide basic services, e.g. printing, but this is on an ad hoc basis. (4, 2, 4, 7)
  • A relational database uses a DBMS to provide structure, increases data integrity, reduce incompatibility, and remove data dependence. (10, 8)
  • All the data is stored in a single, two dimensional file. (4, 4, 8)
  • An association between two entities. (12)
  • An object orientated computer programming language used to create interactive effects within web browsers. (10, 2)
  • Messages are split into equal sized packets with each packet being labelled signifying its destination and order. The packets are sent along communication lines, and each node decides where to send the packets. (6, 9)
  • Messages are split into packets but a route is reserved before they are sent. (7, 9)
  • This is a system for converting domain names (easier to remember) into their equivalent IP address. (6, 4, 6, 3)

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