Homework Help: Questions and Answers: Why were magnetic tapes used to replace punch cards in Second Generation computers?
A. Increased reliability
B. Increased manual labor
C. Increased cost of production
D. Increased computer memory
Answer:
First, let’s understand about Punch Cards and Magnetic Tapes:
Punch Cards:
- First-generation computers used punch cards for input and data storage.
- These cards were unreliable, as they could be damaged easily (bent, torn, or misaligned).
- They had limited data storage capacity.
Magnetic Tapes:
- Introduced in the Second Generation of computers.
- Tapes are more reliable, durable, and capable of storing significantly more data compared to punch cards.
- They also reduced manual labor involved in handling punch cards and allowed for faster data access.
Given Options: Step by Step Answering
a) Increased reliability
- Magnetic tapes were more reliable than punch cards, which was one reason for their adoption.
b) Increased manual labor
- Actually, magnetic tapes reduced manual labor by automating data handling, so this is incorrect.
c) Increased cost of production
- Although magnetic tapes might have had a different cost structure than punch cards, this was not the main reason for the switch. It was more about performance and reliability.
d) Increased computer memory
- Magnetic tapes had greater storage capacity, which indirectly affected memory management, but this is not the primary reason either.
Final Answer:
Based on the above analysis, the correct answer is:
A. Increased reliability.
The main reason for replacing punch cards with magnetic tapes was increased reliability.
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