Massachusetts Tests for Educator Licensure (MTEL) Practice Test

What was a significant outcome of the development of integrated circuits?

1. Creation of larger and more complex computing systems

2. Replacement of vacuum tubes leading to smaller, faster devices

3. Enhancement of electrical grid systems

4. Reduction in the cost of traditional analog devices

The correct answer is: Replacement of vacuum tubes leading to smaller, faster devices

The development of integrated circuits was transformative in the field of electronics, primarily because it allowed for the replacement of vacuum tubes. Vacuum tubes, which were once used for amplification and switching in electronic devices, were bulky, generated a lot of heat, and consumed considerable power. Integrated circuits, on the other hand, are composed of numerous tiny components, including resistors, capacitors, and transistors, all integrated onto a single chip. This transition enabled the production of smaller and faster devices, significantly enhancing the efficiency and performance of electronic systems. Moreover, the compact size of integrated circuits not only facilitated miniaturization but also contributed to lower power consumption and higher reliability in devices. This shift fundamentally changed the landscape of electronics, leading to the development of portable gadgets and advanced computing systems that stay relevant to this day. In summary, the significant outcome of the development of integrated circuits lies in this fundamental shift from vacuum tubes to a more compact and efficient technology, which in turn led to the creation of smaller and faster electronic devices.