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Exercise 1



Study the following definitions. A definition usually includes all three parts: the term to be defined, the group it belongs to, and the characteristics which distinguish it from other members of the group.


 


2 There are other methods used to define or explain, depending on the style used. One very common method is to give the term being defined and say what it is without repeating the term, i.e. X is/are Y.

Examples

1. A computer is an electronic device.

2. Tapes and disks are memory devices.

3. Printers are output devices.


 

TERM GROUP CHARACTERISTICS
A core is a ferrite ring which is capable of being either magnetized or demagnetized
Silicon is a nonmetallic element with semiconductor characteristics

Now analyse the following definitions and identify the different parts by circling the term; by underlining the group once, and by underlining the characteristics twice.

1. A computer is a machine with an intricate network of electronic circuits that operate switches or magnetize tiny metal cores. (Unit 1)

2. An abacus is a bead frame in which the beads are moved from left to

right. (Unit 2)


3. Input is the information presented to the computer. (Unit 3)

4. The term 'computer' includes those parts of hardware in which calculations and other data manipulations are performed, and the high-speed interval memory in which data and calculations are stored during actual executions of programs. (Unit 3)

5. A 'system' is a good mixture of integrated parts working together to form a useful whole. (Unit 5)

6. Large computer systems, or mainframes, as they are referred to in the field of computer science, are those computer systems found in computer installations processing immense amounts of data. (Unit 6)

7. Although there is no exact definition for a minicomputer, it is generally understood to refer to a computer whose mainframe is physically small, has a fixed word length between 8 and 32 bits, and costs less than $100,000 for the central processor. (Unit 7)




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