ESSAY QUESTIONS MIS 513 MIDTERM FALL 2014
ESSAY QUESTIONS – MIS 513 MIDTERM – FALL 2014
Define an information system. What are the five key components of an information system? Describe the difference between an information system and a computer.
Ans:
Information System: is a combination of hardware, software, infrastructure and trained personnel organized to facilitate planning, control, coordination and decision making in organization.
The five key components of an information system are:
1. Hardware: Hardware is the electric, electronic, and mechanical components contained in a computer. The hardware must be reliable and capable of handling the expected workload.
2. Software: Software also called a program which consists of the series of instructions that tells a computer what tasks to perform and how to perform them. The software must be developed carefully and tested thoroughly.
3. Data: Data is a collection of unprocessed items, which can include text, numbers, images, audio, and video. The data entered into the computer must be accurate.
4. People: People are generally a human. It focuses to people who design and operate the software, input the data, build the hardware and keep it running. For example programmers and other visionaries such as Bill Gates and Steve Jobs.
5. Procedures: Procedure is an instruction or set of instructions a user follows to accomplish an activity. All the IT applications should have readily available documented procedures that address operating the computer and using its programs.
List five types of information systems used in organizations. Describe the purpose of each.
Ans: The following are the six types of information systems and functions:
1. Transaction Processing Systems (TPS) serve the people in the operational level of an organization. It collects and stores information about transactions, and controls some aspects of transactions. A sale of item in the store is an example of a transaction.
2. Knowledge Work Systems (KWS) is used by technical staff as
Define an information system. What are the five key components of an information system? Describe the difference between an information system and a computer.
Ans:
Information System: is a combination of hardware, software, infrastructure and trained personnel organized to facilitate planning, control, coordination and decision making in organization.
The five key components of an information system are:
1. Hardware: Hardware is the electric, electronic, and mechanical components contained in a computer. The hardware must be reliable and capable of handling the expected workload.
2. Software: Software also called a program which consists of the series of instructions that tells a computer what tasks to perform and how to perform them. The software must be developed carefully and tested thoroughly.
3. Data: Data is a collection of unprocessed items, which can include text, numbers, images, audio, and video. The data entered into the computer must be accurate.
4. People: People are generally a human. It focuses to people who design and operate the software, input the data, build the hardware and keep it running. For example programmers and other visionaries such as Bill Gates and Steve Jobs.
5. Procedures: Procedure is an instruction or set of instructions a user follows to accomplish an activity. All the IT applications should have readily available documented procedures that address operating the computer and using its programs.
List five types of information systems used in organizations. Describe the purpose of each.
Ans: The following are the six types of information systems and functions:
1. Transaction Processing Systems (TPS) serve the people in the operational level of an organization. It collects and stores information about transactions, and controls some aspects of transactions. A sale of item in the store is an example of a transaction.
2. Knowledge Work Systems (KWS) is used by technical staff as