Transistor " A revolution in the technology"
Asalam O Alaikum! In the 21st century. We see the technology like never before. The world's technology before 1950s was quite limited. There was no internet, only few places could afford landline telephone and also there was no fast computers. but after 20 years in 1970s we see a lot of change in the technology. Figure 1 Figure 2 In the above two picture there is a huge difference in the computers of 1950s and 1970s respectively. The figure1 represents the common computer of 1950s which as big as a room while the figure2 represents the computer of 1970s. With in just 20 years the computer were made not just smaller but compact as well. These 1970s computer were well efficient and fast as compared to the 1950s. Also this is not it. Within 80 years of timespan humans have made marvelous inventions and invocations in the field of electrical, electronics and computer science technologies . Nowadays computers small enough to fit in the palm of your hand as shown in figure 3. Figure 3