computer

1. tasking the simultaneous execution of two or more programs in one computer is called
4. A small input device with one or more buttons used as for painting or drawing is
6. if the new facts are consistent with all the other facts that have already been asserted, then nothing will be retracted from the set of facts that are known to be true. What is this property called?
8. the process of mapping ordinary messages into encoded messages is called
12. risc processors are 70 percent faster than which processors
13. example for a multiuser operating system is
15. Express in Windows we can maintain multiple E-mail and newsgroup accounts in
17. expansion a macro call leads to
18. A list of tasks a system could perform is known as
19. Express To create our own web page, we can use what, which is another tool included with Windows 98
20. In uniprocessor systems which channels are used to provide direct information transfer between the device and main memory

2. computers can be made very knowledgeable but are far from being
3. Identifiers, keywords, constants, operators and punctuation symbols such as commas and parentheses are typical
5. the process of recognizing the lexical components in a source string is called:
6. The computer with multiple processors with shared memory space is known as
7. to move a program or operating system from one hardware platform to another is:
9. A security method that identifies a specific authorized user of a computer system, by a unique string of character that user types as an identification code is
10. A secondary processor used to speed up operations by taking over a specific part of the main processor’s work is called
11. The name of the device used for a user to computer communications, usually the display and the keyboard is called
14. A program that translates a high-level programming language such as C or Pascal into a machine language program is called
16. bit an extra or redundant bit used to detect transmission errors is called