Identify the correct logical sequence of the following four randomly-ordered sentences about the discovery of the computer mouse. A. We use the mouse today because it is the pointing device that is easiest to use compared to others such as joysticks, trackballs etc. B. Doug Engelbart was bored at a conference and started thinking about tracking the movement of a plane using two sets of wheels moving in orthogonal directions. C. Doug Engelbart remembered these notes when he was trying to come up with a device to select objects on a computer screen. D. Doug Engelbart tells the story of how he invented the mouse. Choose the correct answer from the options given below.
1.A
2.B
3.C
4.D
A4, 3, 2, 1
B1, 2, 3, 4
C2, 3, 4, 1
D4, 2, 3, 1 ✓ Correct
Correct answer: (D) 4, 2, 3, 1
Explanation
The passage opens with sentence 4, where Doug Engelbart begins telling the story of inventing the mouse.
Sentence 2 follows, describing how he grew bored at a conference and imagined tracking a plane with two sets of wheels.
Sentence 3 comes next, as he later recalled those notes while seeking a way to select objects on screen.
Sentence 1 closes, explaining why the mouse remains the easiest pointing device in use today.
Beginning with sentence 1 would state the conclusion before the story that leads to it.
Engelbart publicly demonstrated the mouse in 1968 in what is often called the mother of all demos.
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