Chapter 15 Computer Systems

Which of the following can serve many users as the same time?

• personal computer

• mainframe

• supercomputer

Which of the following may need a supercomputer?

• Monitor a patient in the Intensive Care Unit (ICU) of a hospital.

• Simulate the evolution of the universe.

• Handle financial transactions in a bank.

Batch processing is suitable for

• an online dictionary.

• processing the applications of a competition.

• a traffic condition monitoring system.

• an online ticket reservation system.

Which of the following is/are the advantage(s) of batch processing over real-time processing?

• It is easier to set up the system.

• The hardware is cheaper.

• The information is more up-to- date.

Which of the following is/are characteristics of real-time processing compared with batch processing?

• more interactive

• easier to set up

• data stored is always up-to-date

• The computer system will have a higher cost.

Which of the following is/are characteristic(s) of an interactive system?

• It must be a real-time system.

• It allows several users to run the same program at the same time.

• It is usually more expensive compared with batch processing system.

Which of the following jobs is NOT suitable to be processed by a batch processing system?

• Calculating the profit of a company.

• Updating student records in a school.

• Online stock price quoting system.

• Processing application forms of the HKCEE.

A user uses a computer to edit a document file and download a file from the Internet at the same time. What is the operating mode of the computer?

• multi-user

• batch processing

• multitasking

• interactive processing

Which of the following is the correct order of categories of computers from the highest computing power to the lowest?

• Supercomputer, Mainframe computer, Desktop computer

• Microcomputer, Mainframe computer, Supercomputer

• Supercomputer, Desktop computer, Mainframe computer

• Mainframe computer, Microcomputer, Supercomputer