Computer Science Quiz

File extensions such as .txt, .bmp, and .mp3 are used to identify a file's _______.

• output

• creator

• size

• location

• format

Which of the following network technologies allows secure transmission of data over an unsecured public network link between private networks?

• Local area network

• Wide area network

• Virtual private network

• Intranet

• Extranet

Which of the following is a goal of green computing?

• Reducing the potential for a computer to become infected with malware

• Reducing the number of people experiencing computer vision syndrome

• Reducing power consumption of computers and peripherals

• Optimizing the human-computer interface

• Building relationships between computer manufacturers and environmental groups

What are the benefits of using EDI over traditional paper-based transactions? Select all that apply.

• EDI transactions are processed more quickly than paper-based transactions.

• EDI can lead to higher instances of errors compared to paper transactions.

• EDI allows for real-time tracking of transaction status.

• EDI reduces the environmental impact by minimizing the use of paper.

A spreadsheet contains the values 4 and 6 in cells C4 and D4, respectively. What value will be displayed in cell F4 if it contains the formula (C4*2+D4/4) ?

• 2.5

• 5.5

• 16

• 9.5

• 128

Which of the following is primarily an output device used in a computer system?

• Scanner

• Microphone

• Keyboard

• Monitor

• Joystick

In a relational database, each column represents

• a record

• an attribute

• a key

• an entity

• a file

Which of the following violates intellectual property rights?

• Software piracy

• Data mining of social networks

• Launching a denial of service attack

• Hacktivism

• Spamming

Conversion of data files is part of which of the following phases of the system development process?

• Analysis

• Design

• Implementation

• Development

• Maintenance

Enforcing programming standards in the software development process has which of the following impacts? Select all that apply.

• Establishing common expectations

• Making it easier to modify code

• Enhancing the end-user experience