Plus One Computer Science Chapter Wise previous Questions Chapter 1 The Discipline of Computing

Kerala Plus One Computer Science Chapter Wise Previous Questions Chapter 1 The Discipline of Computing

Question 1.
Write the number that is represented in the following Abacus. (March-2015)
Answer:
3 beads of the leftmost rod moved hence it represents 3
no beads(0) of the next rod moved hence it represents 0
2 beads of the rightmost rod in the lower part is moved (2+) and one bead is moved in the upper part represents 5.
Hence 2 + 5 = 7
So the answer is 307

Question 2.
Which is the first automatic electromechanical computer? (Say – 2015 (Imp)
a) Pascaline
b) Abacus
c) Mark 1
d) Analytical Engine
Answer:
c) Mark 1

Question 3.
Order the following technologies according to different generations of a computer (First to Fifth Generation) (Sep – 2016)
a) Transistor
b) Vacuum tube
c) Artificial intelligence
d) Microprocessor
Answer:
a) Vacuum tube
b) Transistor
c) Microprocessor
d) Artificial intelligence

Question 4.
The number (158)₁₀ can be represented in the Hexadecimal number system as …………… (March – 2017)
Answer:
Hence (158)₁₀ = (9E)₁₆

Question 5.
Following are some facts related to the evolution of computers: (March – 2016)
(Usage of Transistors, Introduction of Very Large Scale Integrated Circuit. Construction of ENIAC)
Categorize these under respective generations and briefly explain each.
Answer:
Transistor – Second generation
VLSI – Fourth generation
ENIAC – First generation

Question 6.
Compare any three features of five generations of computers. (March – 2017)
Answer:

Plus One Computer Science Chapter Wise previous Questions