Answer:
a. backdoor
backdoor (also called a trapdoor) is a programming routine built into a system by its designer or programmer. It enables the designer or programmer to bypass system security and sneak back into the system later to access programs or files.
Answer: Steve Jobs made several contributions towards technology by introducing the range of Apple devices and technologies .he started the Apple Incorporation.The technologies introduced by his company are as follows:-
- iPod
- iPhone
- Apple Lisa
- iMac
- iPad etc.
Bill Gates is the founder of Microsoft incorporation and made a lot of development in that field to create various software for the operating system.the creation of "Microsoft Window" was started by him and some other contributions are as follows:
- Windows 7
- Windows 8
- Vista
- XP
- windows 95 etc.
Answer:
control processes.
Explanation:
Mechanisms that combine memory, processing speed, and knowledge to regulate the analysis and flow of information within the information-processing system are referred to as executive/control processes.
Answer: (D) Distributed denial- of- service (DDoS)
Explanation:
The distributed denial of service attack is one of the type of attack that occur when the multiple system are basically flooded with the resources and the bandwidth.
- Botnet is one of the example of DDoS as it caused the DOS (denial of service) for the users.
- This type of attack is more substantial as compared to the DoS attack as they use the multiple system for attack the single target simultaneously.
Therefore, Option (D) is correct.
