Question : The first operational electronic digital computer is:
Option 1: ENIAC
Option 2: EDVAC
Option 3: EDSAC
Option 4: UNIVAC
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Correct Answer: ENIAC
Solution : The correct option is ENIAC.
The "ENIAC" (Electronic Numerical Integrator and Computer) is usually regarded as the first operating electronic digital computer. ENIAC was created during WWII and completed in 1945. It was a gigantic machine that took up a vast room, and its electronic components were vacuum tubes. ENIAC was created to do a variety of computations, including artillery trajectory calculations for the United States Army.
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Question : The first computer made available for commercial use was
Option 1: MANIAC
Option 2: ENIAC
Option 3: UNIVAC
Option 4: EDSAC
Question : What is the full form of ISDN?
Option 1: International Service Digital Network
Option 2: Indian Service Digital Network
Option 3: Integrated Service Digital Network
Option 4: Internal Service Digital Network
Question : Which of the following is used to protect objects in a computer system in the absence of more complete protection schemes?
Option 1: Digital certificate
Option 2: Digital signature
Option 3: Passwords
Option 4: Tokens
Question : Goods and services tax (GST) became operational from ___.
Option 1: 1 July 2017
Option 2: 1 May 2016
Option 3: 1 April 2016
Option 4: 1 April 2017
Question : What is the sum of the first 20 terms of the following series? $1 \times 2+2 \times 3+3 \times 4+4 \times 5+\ldots \ldots$
Option 1: 3160
Option 2: 2940
Option 3: 3240
Option 4: 3080
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