Computing Essentials Practice Test

Every year people in the U.S. must file tax returns to the Internal Revenue Service (IRS). The IRS needs to track every person's tax records on an extremely fast, high-performing computer. The computer must be able to calculate and process millions of tax returns. What type of computer does the IRS use?

• Microcomputer

• Mainframe

• Supercomputer

• Server

Kikutaro is the network administrator for his company. He is in charge of supervising multiple LANs. Which network hardware device can he use to connect the LANs together, and also use as a firewall?

• Router

• Bridge

• Switch

• Hub

Which example is a valid IPv4 address?

• 192.168.1.100.255

• 192168.1.100.255

• 192.168.1.100

• 192.168.1.1000

Which output device displays the text or graphics processed by your computer?

• Monitor

• Speaker

• Printer

• Projector

Which of the following is an example of how a computer network might be used at work?

• For your computer, your mom's computer and your dad's computer to all share a printer

• For all the computers in the Sales department to share a printer

• For a teacher to print out each student's completed online spelling test and score

• For your computer, your smartphone and your tablet to all share an Internet connection

Alicia was admitted to the hospital for some pain in her abdomen. After running some tests, the doctors conclude that Alicia has appendicitis and needs surgery immediately. How does the hospital share information about her condition with the doctors, nurses and staff?

• The doctors, nurses and staff manually enter the information onto the patient's chart to inform all parties and exchange information.

• The doctors, nurses, and staff enter the patient's information into the hospital's computer network so that the information is available to the medical team.

• The doctors and nurses rely on the staff to inform them verbally of the patient's updates and latest results.

• The doctors, nurses and staff e-mail each other the latest test results, labs, and diagnosis summaries to keep each other informed of the patient's condition.

Study the example in the image. Which type of storage device is shown?

• Hard drive

• SD card

• Flash drive

• CD ROM

Destinations, Inc. is a premiere travel agency that helps tourists books their flights, hotels, car rentals, cruises, and tour guides around the world. However, Destinations, Inc. travel agents are still operating under the text-based operating system, making it more difficult to train new hires. What software interface can the company implement to reduce training expenses?

• Change the command-line interface to a Graphical User Interface (GUI) operating system.

• Hire more professional trainers to help new hires retain the knowledge of the current user interface.

• Upgrade the software license to an open-sourced license.

• Upgrade the software license to a commercial license.

Denise set up a calendar on her school's internal network so teachers could keep track of holidays, sick time, school events, etc. Because this network is internal, only the teachers and administrators at the school have access to it. Which term describes this type of network?

• WAN

• Extranet

• Intranet

• MAN

Which network topology requires computers to possess a token in order to send data over the network?

• Ring

• Mesh

• Star

• Bus