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Sunday, August 23, 2015

Generation of Computers

GENERATIONS OF COMPUTERS
Using size and features as the bases, computers are classified into various generations. These generations of computers are discussed below:

1. FIRST GENERATION: The first generation computers were bulky in size. They were able to execute hundreds of instructions per second and were expensive as well. They used vacuum tubes as their main components. Machine language is a first generation language, for example EDVAC, UNIVAC etc.

2. SECOND GENERATION: The second-generation computers were smaller in size as compared to the first generation computers. These were capable of executing thousands of instructions per second, with a transistor as its main component. Assembly language is the second generation language in which programs were written using mnemonic codes, for example, PDP (Programmed data processor), PDP1 etc.

3. THIRD GENERATION: The third generation computers were more advanced and used integrated circuits. These computers contained thousands of components per circuit. They were cheaper than second-generation computers. The languages used in this generation were BASIC, COBOL etc. for example, IBM 307 Series, PDP II etc.

Dibrugarh University - Principles of Marketing (Nov' 2014)

2014 (November)
COMMERCE (General)
Course: 504
(Principles of Marketing)
Full Marks: 80
Pass Marks: 32
Time: 3 hours

The figures in the margin indicate full marks for the questions.
1. Answer as directed:                                   1x8=8
(a)    Mention one of the branches of marketing management.
(b)   Mention one difference between macro-marketing and micromarketing.
(c)    Marketing begins and ends with the ____. (Fill in the blank)
(d)   Write one of differences between ‘marketing’ and ‘selling’.
(e)   What type of relationship exists between a customer and a retailer? (Choose the correct one)
1.       Direct
2.       Indirect
3.       None of the above