What is the decimal equivalent of binary 1101? MCQ with Answer and Explanation

What is the decimal equivalent of binary 1101?
A. 15
B. 12
C. 14
D. 13
Answer: Option D
Solution (By JKSSB Mock Tests)
1101 = 8+4+1 = 13.

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Practice More Computer Fundamentals Questions

Question #1
Who designed the mechanical 'Difference Engine' in 1822 to automatically compute and tabulate mathematical error-free polynomial tables?
A. Blaise Pascal
B. Charles Babbage
C. John von Neumann
D. Herman Hollerith

Correct Answer: Option B


Explanation:
Charles Babbage invented the Difference Engine to compute mathematical tables mechanically, earning him renown as the father of computing.

This question belongs to: Computer Computer Fundamentals
Question #2
Which classification of computers is engineered with extreme processing power to run highly complex simulations, such as weather forecasting and quantum mechanics?
A. Mainframe Computers
B. Minicomputers
C. Workstations
D. Supercomputers

Correct Answer: Option D


Explanation:
Supercomputers are the fastest and most computationally intensive systems, designed specifically for massive parallel mathematical simulations.

This question belongs to: Computer Computer Fundamentals
Question #3
A digital thermometer or an electronic weighing scale that measures physical parameters and displays them as numbers is an example of a:
A. Pure Digital Computer
B. Hybrid Computer
C. Mainframe Computer
D. Pure Analog Computer

Correct Answer: Option B


Explanation:
Hybrid computers combine analog features (sampling continuous physical data) with digital features (processing and displaying discrete numbers).

This question belongs to: Computer Computer Fundamentals