I think the correct answer among the choices given is option A. Manipulative aids are not technological aids. It refers to items that is used to support hands-on learning like markers, toothpick or coins. Technological aids, on the other hand, are things which makes use of the new technology present like slideshows, DVD's, audioclips and projectors.
Answer: Algorithm
Explanation: An algorithm is a plan, a set of step-by-step instructions to solve a problem. it involves three basic building blocks to use when designing algorithms. these are.,
1. Sequencing
2. Selection
3. Iteration
This technology is known as an anti-climb collar.
Spiked collars are used to protect equipment mounted on poles like CCTV or in areas where you can easily climb a pole over a security fence. This technology offers a very simple and practical solution to protecting poles against thieves and vandals.
