In any * NIX system, after saving a script named "script_name," you need to make it executable so that you can run it. Which command will accomplish this task from the command line?

What is the name for programs used on mobile computing devices that allow users do a variety of things? Wi-Fi networks Clouds Wireless token rings Applications

Software that people commonly use in the workplace to make their lives easier is called?

What are the different ways to represent compounds? Check all that apply. a structural formula a ball model a space-filling model the Kolbe formula a molecular formula an empirical formula a ball and stick model a cylindric model

A technology that applies the principles of quantum physics and quantum mechanics to computers to direct atoms or nuclei to work together as quantum bits (qubits), which function simultaneously as the computer's processor and memory.

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that?

What does a barcode reader emit to identify bar codes? A. electric pulse B. magnetic pulse sound D. E. light electromagnetic pulse

Which of these converts analog audio signals into digital codes in a computer? A. audio card B. microphone C. sensor D. sound card E. NextReset

There are ways to perform computer commands quickly and multiple times. a. True b. False

Consider the following code segment. int quant = 20; int unitPrice = 4; int ship = 8; int total; if (quant > 10) { unitPrice = 3; } if (quant > 20) { ship = 0; } total = quant * unitPrice + ship;

When a video become so popular online that people begin tweeting, blogging and emailing their friends about it it is called?