Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Chapter: 10
Q141:
Who developed the ENIAC?
A. George Stibitz
B. Howard Aiken
C. John J. Presper Eckert
D. Steve Jobs
Correct Answer:
C
Chapter: 10
Q142:
What was a major component of the ENIAC that made it different from previous machines?
A. Gears
B. Relays
C. Vacuum tubes
D. Transistors
Correct Answer:
C
Chapter: 10
Q143:
How much did the ENIAC weigh?
A. 10 tons
B. 20 tons
C. 30 tons
D. 40 tons
Correct Answer:
C
Chapter: 10
Q144:
Which year did IBM launch its first PC?
A. 1976
B. 1981
C. 1984
D. 1990
Correct Answer:
B
Chapter: 10
Q145:
Who were the key figures behind the first desktop computer?
A. Bill Gates and Paul Allen
B. Steve Jobs and Stephen Wozniak
C. John von Neumann and Alan Turing
D. George Stibitz and Howard Aiken
Correct Answer:
B
Chapter: 10
Q146:
What significant advancement in computing occurred after the invention of the ENIAC?
A. Electromechanical relays
B. Gear-driven machines
C. Transistors
D. Mechanical calculators
Correct Answer:
C
Chapter: 10
Q147:
How much electricity did the ENIAC consume?
A. 100 Kilo Watts
B. 150 Kilo Watts
C. 200 Kilo Watts
D. 300 Kilo Watts
Correct Answer:
C
Chapter: 10
Q148:
What was a significant feature of the machines built with vacuum tubes?
A. They were easily upgradable
B. They were cost-effective
C. They were totally electronic
D. They were portable
Correct Answer:
C
Chapter: 10
Q149:
What key milestone followed the invention of the ENIAC?
A. Development of punch cards
B. Invention of the abacus
C. Introduction of smart phones
D. Creation of mechanical gears
Correct Answer:
C
Chapter: 10
Q150:
What was the estimated cost of the ENIAC?
A. 250000
B. 487000
C. 1000000
D. 750000
Correct Answer:
B
Chapter: 10
Q151:
What is an example of rapid advancement in computing post-ENIAC?
A. Introduction of mechanical relays
B. Size reduction of machines
C. Use of abacus
D. Gear technology improvements
Correct Answer:
B
Chapter: 10
Q152:
Which technology was developed in the early 1900s and used in early electronic computers?
A. Gears
B. Vacuum tubes
C. Punch cards
D. Transistors
Correct Answer:
B
Chapter: 10
Q153:
What was the first electromechanical machine that made use of electronically controlled mechanical relays?
A. ENIAC
B. Mark I
C. Pascaline
D. IBM PC
Correct Answer:
B
Chapter: 10
Q154:
What is the significance of vacuum tubes in computing history?
A. They were used in the first desktop computers
B. They allowed for the construction of totally electronic computers
C. They were more efficient than transistors
D. They were introduced by Herman Hollerith
Correct Answer:
B
Chapter: 10
Q155:
Which invention marked the beginning of modern electronics in computing?
A. Punch cards
B. Transistors
C. Vacuum tubes
D. Gears
Correct Answer:
B
Chapter: 10
Q156:
What was one of the limitations of the machines built by Pascal, Leibniz, and Babbage?
A. Cost-effective production
B. Mechanical reliability
C. Processing speed
D. Size
Correct Answer:
A
Chapter: 10
Q157:
How did George Stibitz contribute to the advancement of computing?
A. Invented the abacus
B. Developed the electromechanical machine
C. Created punch cards
D. Designed vacuum tubes
Correct Answer:
B
Chapter: 10
Q158:
What role did Herman Hollerith's punch cards play in the evolution of IBM?
A. They were used to build the first PC
B. They sped up the census process and led to the creation of IBM
C. They were used in the first desktop computer
D. They were part of the ENIAC project
Correct Answer:
B
Chapter: 10
Q159:
What technological innovation is associated with Steve Jobs and Stephen Wozniak?
A. Development of vacuum tubes
B. Invention of the transistor
C. Introduction of the desktop computer
D. Creation of the ENIAC
Correct Answer:
C
Chapter: 10
Q160:
What key feature did Charles Babbage envision for his machines that was different from his predecessors?
A. Use of transistors
B. Use of punch cards
C. Printing results on paper
D. Use of vacuum tubes
Correct Answer:
C