The "brain" of the computer is the: Question $41$ options: RISC. CISC. CPU. RAM. none of the above Question $42(1$ point$)$ A database management system helps manage data via: Question $42$ options: backup. integrity control. concurrency control. transaction control. all of the above. Question $43(1$ point$)$ The study of business administration includes: Question $43$ options: management. systems analysis and design. pharmakentics. all of the above. only a and b$.$ Question $44(1$ point$)\_\_\_\_$ is the protection of computer assets from unauthorized access, alteration, or destruction. Question $44$ options: Only b and c Computer risk Computer security Computer damage All of the above Question $45(1$ point$)$ A user$-$manager: Question $45$ options: conceptualizes ways in which IT can be used to improve performance. serves as a consultant to the IS specialist