Answer:
A. Define boundaries
C. Deny access
D. Delay access
Explanation:
A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:
- Define areas of boundaries
- Delay or slow access. Example is the use of speed bumps to slow down vehicles.
- Provide access to entrances such as the use of gates
- Deny access to unauthorized personnel and allowing authorized personnel.
Answer: b) False
Explanation:
Alternative method that is used for information system consisting of prototyping, outsourcing, end-user development mechanism, system life cycle etc for building a system.
- These process consist of focusing on user requirement, using high level programming languages, development of prototype,creation of package, database etc instead of cross-sectional phase,selection decisions,top management option etc.
- Therefore, the correct option is option(b) as the statement is false.
Technology is what we use today to access internet and social media!!!
Answer:
Computer professionals known as software engineers, or programmers use the software development life cycle to create software required for information systems.
Explanation:
Computer professionals are called software engineers and programmers because they develop and program software. Some additional titles for computer professionals are hardware engineers and iOS/Android developers.
