COMPUTER FUNDAMENTALS

COMPUTER HISTORY AND EVOLUTION

DEVELOPMENT OF COMPUTERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What did the Harvard Mark I use for its programming?
A
Vacuum Tubes
B
Switchboards or Plug Boards
C
Punch Cards
D
Punch Tape
Explanation: 

Detailed explanation-1: -A 1944 electro-mechanical programmable calculating machine, the Automatic Sequence Controlled Calculator or Harvard Mark I, used paper tape with 24 rows. A row of smaller sprocket holes was always punched to be used to synchronize tape movement.

Detailed explanation-2: -The Automatic Sequence Controlled Calculator (Harvard Mark I) was the first operating machine that could execute long computations automatically. A project conceived by Harvard University’s Dr. Howard Aiken, the Mark I was built by IBM engineers in Endicott, N.Y.

Detailed explanation-3: -The Harvard Mark I was also known as the IBM Automatic Sequence Controlled Calculator (ASCC).

Detailed explanation-4: -The Harvard Mark I (also known as the IBM Automatic Sequence-Controlled Calculator) was a relay computer controlled by punched tape that IBM began to develop in 1939 and completed in 1944. It was based on a suggestion that had been put forward by Howard H. Aiken in 1937.

There is 1 question to complete.