1.These characteristics are that machine is electronic,that it has a stored program,and that it is general purpose.
2.The intelligent interface function,which can be compared with the input/output functions of present day computers,will consist of a collection of systems that process,recognize and synthesize many kinds of input/output information,such as characters,voices,figures and images.
3.A digital computer is a system whose functional elements consist of arithmetic/logic units(ALUs),control units,memory or storage units,and input/output(I/O)equipment.
4.Computer designers are fond of calling their computers machines,so the instruction set is sometimes referred to as machine instructions and the binary language in which they are written is called machine language!
5.One reason foe their slow acceptance was the fact that they require considerable CPU power and a high-quality monitor,which until recently were prohibitively expensive.
6.Most invasions of computer systems are for international or corporate spying or sabotage,but computer hackers may take the penetration of protected data banks as a challenge, often with on object mind other than accomplishing a technological feat.
7.The cost for a message sending to the far side of the world is the same as for one going across the street.
8.You can exchange numerous messages in the time it would take to send one piece of mail via the post office or even via one of the express document delivery services.
9.Just as each folder in a file cabinet has a label, each file on a disk as has a name.This name has two parts: a name and an extension, A filename can be from one to eight characters in length, and can be typed in uppercase or lowercase letters.
10.Another belief is that these programs are hidden in the original software manufactured by certain large firms in order to punish and discourage the piracy of their expensive software.