INF1520
Assignment 3
Comprehensive
Solutions for 2024
Deadline July 15
2024
, INF1520 Assignment 3 Comprehensive Solutions for
2024 Deadline July 15 2024
Question 1 [13]
1.1 Explain why the keys on a computer keyboard are
arranged in the order of QWERTY. (4)
The QWERTY keyboard layout was designed in the
1860s by Christopher Sholes, who aimed to prevent
jamming in early mechanical typewriters. Here’s why
the keys are arranged as QWERTY:
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, Jamming Prevention: Commonly used letter pairs
were separated to slow down typists and reduce
mechanical jamming of the typebars.
Typing Efficiency: The layout facilitated a balance
between the hands, allowing faster typing for trained
typists by alternating between the left and right
hands.
Historical Adoption: Once QWERTY became popular
with the success of early typewriters, inertia and
familiarity led to its continued use, despite other
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