What was the weight of Z1, the first modern computer?

• 2,500 pounds, which is 500 times the weight of today's average laptop

• 2,000 pounds which is 400 times the weight of toady's average laptop

• 1,500 pounds which is about 300 times the weight of today's average laptop

• 1,000 pounds which is about 200 times the weight of today's average laptop

Why was Xerox's Alto computer considered revolutionary?

• It included a screen with elements, such as folders and buttons, which were controllable with a mouse

• It was the first microcomputer that was usable and affordable to average consumers

• It introduced the floppy disk

• It was the first computer that offered applications for use in fields other than science and engineering

Why is an operating system one of the most important components of a computing device?

• It allows data to be stored and easily moved from one computing device to another

• It enables computing devices to operate with a single processing unit, making them smaller and more user-friendly

• It creates customizable features for users, such as color schemes

• It handles the interactions between the hardware and software components of a computing device

In the workplace, which essential skills cannot be replicated by technology

• communication, microprocessing, and creative problem solving

• communication, fostering cross-functional collaborations, and autonomous decision making

• communication, data analysis, and creative problem solving

• communication, fostering cross-functional collaborations, and creative problem solving

When you turned on your computer this morning, you couldn't run any of your programs. Which part of your computer may have stopped working?

• random access memory (RAM)

• CPUs microprocessor

• motherboard

• information processing cycle

Your computer is taking longer than usual to retrieve information. Which part of your computer is likely not working properly?

• motherboard

• hard disk

• information processing cycle

• cache

What should you do to search the internet for an exact word or phrase?

• Enclose the word or phrase in quotation marks

• Use the tilde ( ~ ) symbol in front of the word or phrase

• include "+" in front of the word or phrase

• Focus on base or root words, such as "run" instead of "running"

Multiple employees in your company received an email from the home office requesting sensitive information. The email appeared to be legitimate, but it was actually fake. What type of security threat was this email?

• malware

• phishing

• triangulation

• encryption

Which of the following is a tip for creating a strong password?

• Use a combination of letters and numbers with at least six characters

• Include complete words as part of the password

• Use only lowercase letters

• Include special symbols, such as an exclamation point, instead of letters or numbers

True or false? The concept of a mobile phone is older than many people think, dating back to the 1920s.

• True

• False