An overhead projector is required to display content on transparencies. A transparency is a thin sheet of plastic in which light is reflected upon to display content.The light source emits light towards the transparency and then the image is displayed on the wall. Usually, this light source comes from below and lights upward and so the content is depicted above or overhead.
A primary key is the answer. =)
Answer:
You didn't give any choice as it looks a multiple choice question
Answer:
The <u>ARPANET </u>network became functional in 1969, linking scientific and academic researchers across the United States.
Explanation:
ARPA Net is the network that has become functional in 1969 in united States. The basic purpose of this network is to link all the researchers and scientists across united states. The full form of ARPANet is Advanced Research Project Agency Network.
The importance of this network is increase because small chunks of data that are called packets has been proposed for data transmission in the network. The data is divided into small packets and send it over the network, at destination point these packets are combined together and become orignal information.
Answer:
D. The BIOS is activated by powering on the CPU.
Explanation:
The BIOS is activated by powering on the CPU is the first step in the boot process.
