CS Study Guide Progress

Front

Given the numerical value 1010101.11, which number system is MOST likely represented? Options: Decimal, Hexadecimal, Binary, Octal

Back

Decimal

Front

A network host has an IPv4 address of 192.168.12.155. Which of the following notational systems is used to represent this IP address? Decimal, Octal, Binary, Hexadecimal

Back

Decimal

Front

A programmer is creating an application that needs to store a value indicating if the user is logged in or not. Which of the following would be the BEST data type to accomplish this? String, Float, Integer, Boolean

Back

Boolean

Front

Mark wants to include a string in his computer program that lets users know they have selected the correct option. He wants to include the option in double quotes. However, the entire string also needs to be delimited by double quotes. Which of the following is the string Mark should use to include the option in double quotes?

Back

"Congratulations! \"Launch Audit\" is the correct option. "

Front

Which of the following does a computer use to make sure that people, hardware, and software can interface with each other? OS (operating system), Device driver, Application and hardware interface, GUI (graphical user interface)

Back

OS (operating system)

Front

Firewalls, data encryption, backups, and passwords are designed to protect computing devices. These technologies are all examples of what?

Back

Data protection

Front

How many bits are in a single byte?

Back

eight

Front

A consumer wants to add a hard drive to their computer to store video from their camera. Which of the following is the storage capacity of a modern hard disk drive (HDD) purchased from a computer store? 3 terabytes, 4 gigabytes, 1,024 kilobytes, 8 megabytes

Back

3 terabytes

Front

Which of the following is the first thing you should do in the troubleshooting process when trying to identify possible causes of a problem? Check with others to see if they can duplicate the problem., Test your theories to verify the cause of the problem., Check for obvious or common issues., Divide and conquer to find a possible cause.

Back

Check for obvious or common issues.

Front

You are troubleshooting a malfunctioning notebook computer. Nothing appears on the LED display when the system is powered on. Which of the following is the BEST step to try first? Options: Replace the motherboard, Plug in an external monitor, Calibrate the battery, Replace the video card

Back

Plug in an external monitor