3rd Class Computers Science History of Computer Punch Card in- Jacquard's Loom

     Punch Card in- Jacquard's Loom  

The Jacquard loom is a mechanical loom, invented by Joseph Marie Jacquard in 1801 that simplifies the process of manufacturing textiles with complex patterns. The loom is controlled by punched cards with punched holes, each row of which corresponds to one row of the design. Multiple rows of holes are punched on each card and the many cards that compose the design of the textile are strung together in order. Its entire operation was under the control of a program and its weaving process was automatic. The Jacquard loom was the first machine to use punched cards to control a sequence of operations. Although it did no computation based on them, it is considered an important step in the history of computing hardware. With the invention of punched cards, the era of storing and retrieving information started.

 Jacquard Loom was a mechanical device which was a great help in textile manufacturing. Who invented this machine and in which year?

(A) John Marie, 1801                                     

(B) Joseph Marie Jacquard, 1801

(C) Morri Jacquard, 1800                              

(D) Johny Jacquard, 1805

(E) None of these  

Answer: (B)

Explanation

Correct Option:

(B) Joseph Marie Jacquard invented Jacquard loom and in the year 1801.

Incorrect Options:

(A) John Marie, 1801s: Incorrect name is used, that's why option (A) is Incorrect.

(C) Morri Jacquard, 1800: Incorrect name and year is used that's why option (C) is Incorrect.

(D) Johny Jacquard, 1805: Incorrect name and year is used that's why option (D) is Incorrect.

(E) Option (E) is Incorrect.    

 Given below are the statements about Jacquard loom. Select the correct statements.

1. After the invention of punched cards, the era of storing and retrieving information started.

2. In Jacquard loom entire operation was under the control of a program.

3. The weaving process of Jacquard loom was automatic.

(A) 1 and 2                                                         

(B) 2 and 3

(C) All of these                                                 

(D) land 3

(E) None of these

Answer: (C)

Explanation

Correct Option:

(C) All the given statements are correct.

Incorrect Options:

(A) Not only statement 1 and 2 are correct but statement 3 is also correct. Therefore, option (A) is Incorrect.

(B) Not only statement 2 and 3 are correct but statement 1 is also correct. Therefore, option (B) is Incorrect.

(D) Not only statement 1 and 3 are correct but statement 2 is also correct. Therefore, option (D) is Incorrect.

(E) None of the given statements is Incorrect. Therefore, option (E) is Incorrect.