It is a property of the system that equates to its trustworthiness. It is the degree of user’s confidence that the system will operate as one expect, that the system would not fail in normal use.

Related MCQs

• ----------- the degree to which the software assists in enabling new users to apply the system.
• In system modeling : A-Model; B-Prototype;; 1- it’s an abstract view of a system that ignores system details; 2-It’s an initial version of system software which givers end-users a concrete impression of the system capacities
• Fail safe is
• Match the following : A- Maintenance control: B- Maintenance prediction: C- Maintenance process: 1-Cost of planning and scheduling hardware preventive maintenance, and software maintenance and upgrades, managing the hardware and software baselines, and providing response for hardware corrective maintenance. 2- Predicting the number of change requires a system understanding and the relationship between the system and external environment. 3- It is triggered by a set of change requests from system users, management or customers.
• What do you call, when the elements of a module, all operate on the same data?
• ------------ is the probability that the software will operate correctly over specified time interval.
• What establishes the profile of end-users of the system?
• In ----------- analyst examines information that has been recorded about system and about the users.
• ER diagram is a ________of the database system which provides high level conceptual data model and supports the users perception of the data.
• Degree to which a system or component performs only the necessary functions relevant to a particular purpose