FUNDAMENTALS OF COMPUTER

BASIC COMPUTER CONCEPTS

HISTORY OF COMPUTERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What were some disadvantages of first-generation computers? You may choose more than one answer.
A
They were enormous.
B
They were very expensive.
C
They used a great deal of electricity.
D
They often malfunction.
E
They were very easy to operate and use for computation
Explanation: 

Detailed explanation-1: -» They consumed a large amount of energy. » They heated very soon due to thousands of vacuum tubes. » They were not very reliable. » Air conditioning was required.

Detailed explanation-2: -Disadvantages of First Generation Languages Programs were not portable. If an error occurs whole punch card needs to rewrite. Code is difficult to edit, read and update. Debugging machine code was also not easy.

Detailed explanation-3: -These computers were very costly. It could store only a small amount of information due to the presence of magnetic drums. As the invention of first generation computers involves vacuum tubes, so another disadvantage of these computers was, vacuum tubes require a large cooling system.

There is 1 question to complete.