Question 1
D. They made it possible to produce computers small enough to fit on a desktop
The silicon chip was invented in 1961 by two American electrical engineers, Jack Kilby, and Robert Noyce, their invention revolutionized and made it possible to produce small sized technology, and this paved the way for modern computers seen today, prior to this time, most electrical devices were constructed using massive, power-hungry vacuum tube technology.
Question 2
C. 1970s
The Apple II was introduced to the American public in April 1977. In the late 1970s, Apple II started the sudden increase for sales of personal computers, and this launched Apple into the lead among personal computer makers.
Question 3
B. It made using computers easy for the general public.
The Apple II was known as "the people's computer" because it made using computers easy for the general public, prior to this time, computers were kept in large rooms due to the use of several vacuum tubes, ranging from 2000-18000tubes, computers were so heavy that they could weight as much as 50 tons, that's about 100000 pounds, however with the launch of Apple II, individuals could have a computer right in their homes.
Question 4
B. because they were designed for individuals to use
In 1975, Ed Roberts coined the term "personal computer." During this time, computers were still known as Giant computers, so when a computer that could easily fit in someone’s home and was meant for personal use was launched, Ed Roberts coined the term "personal computer."