Information Technology Flashcards
What are the risks in computer based systems?
- Reliance on faulty systems or programs
- Unauthorized access to data leading to destruction or wrongful changes, inaccurate recording of transaction, or recording false or unauthorized transactions
- Unauthorized changes in master files, systems or programs
- Failure to make necessary changes in systems or programs
- Inappropriate manual intervention
- Loss of data
What is COBIT?
Bridges the gap between strategic business requirements, accounting control needs, and delivery of supporting IT
What are the 3 components of COBIT?
- Domains and process
- Information criteria
- IT resources
What is Enterprise Resource Planning (ERP)?
Provides transaction processing, management support, and decision-making support in a single, integrated, organization wide package
What are the goals of ERP systems?
A. Global visibility
B. Cost reductions
C. Employee empowerment
D. Best practices
What are the components of ERP system?
a. Online transaction processing system
b. Online analytical processing system
What are the 3 main functional areas within IT departments?
1, Applications development
a. Systems analysts - responsible for analyzing and designing computer systems
b. Application programmers - work under the direction of the system analysts to write actual programs
- Systems administration and programming
a. System administrators - the database, web and network admin
b. System programmers - maintains operating systems and hardware
c. Network managers - ensure that all applicable devices link to the organization
d. Security management - ensures that all components of the system are secure and protected from all internal and external threats
e. Web administrators - operate and maintain web servers
f. Help desk personel - Computer operations
What are the components of computer operations?
Department is responsible for the day to day operations of the computer system
a. Data control - controls the flow of all documents into and out of computer operations
b. Data entry clerk
c. Computer operators
d. File librarian - maintains control over the files
What are the segregation functions?
a. Computer operators and data entry personnel should never be allowed to act as programmers
b. Systems programmers should never have access to application programs documentation
c. Data administrators should never have access to computer operations
d. Application programmers and system analysts should not have access to computer operations, control access data, programs or computer resources
What is Customer Relationship Management (CRM)?
Technologies used to manage relationships with clients; biographic and transaction information about existing and potential customers is collected and stored in a database
What is primary objective of a CRM system?
To retain current customers and gain new customers
What is Electronic Data Interchange (EDI)?
Is a computer to computer exchange of business data in structures formats allowing direct processing of the data by receiving system
What is contribution per unit margin?
Portion of revenues which are available to cover fixed costs.
CM=Sales Revenue - Variable costs
What is contribution margin per unit calculation?
Sales per unit - variable costs per unit
How to calculate breakeven points per unit?
Total FC/CM per unit
