Excel evaluates the formula =4-2*6/2+7 and performs ________ first

In a 4-node, the smallest search key is found in the ______ subtree.

a) left b) middle-left c) middle-right d) right

Answer the following statements true (T) or false (F)

1. A user program executes in a kernel mode in which certain areas of memory are protected from the user’s use and certain instructions may not be executed. 2. Any program that is owned by, and SetUID to, the “superuser” potentially grants unrestricted access to the system to any user executing that program. 3. Traditional RBAC systems define the access rights of individual users and groups of users. 4. A constraint is a defined relationship among roles or a condition related to roles. 5. An ABAC model can define authorizations that express conditions on properties of both the resource and the subject.