Q: What is better for a computer, leaving it on all the time or shutting it down every night? — Justin

Q: I received a call today from a male who identified himself as Andrew Allison with Microsoft Security. He told me that “my NT wires” were installed incorrectly and were causing errors across the internet and that he could talk me through the steps needed to correct the problem. Trying to find a way to report this to Microsoft... — Dennis

Q: I would like to print from my Gmail account on my iPhone or iPad to my printer, but it doesn’t come up in Apple’s print option on either (device). Any suggestions? — Daryl

Q: Is there an easy way to see if I have a hidden keylogger on my Windows 7 computer before I start doing my taxes? — Don

Q: I’ve heard rumors that there are viruses that can take over your computer and demand a ransom to allow you back in. Can this really happen? — Kris

A: I have an old computer with (Windows) XP that is running very slow (I think it has a virus). I would like to get a new computer and transfer things to the new computer but I’m afraid it will transfer the virus. What should I do? -- Maureen

Google has started shipping a larger version of its Nexus tablet computer, one that comes closer to competing with Apple’s full-size iPad and other tablets. Here’s a look at how the Nexus 10 compares with other tablets with similar screens.

Google has started shipping a larger version of its Nexus tablet computer, one that comes closer to competing with Apple’s full-size iPad and other tablets. Here’s a look at how the Nexus 10 compares with other tablets with similar screens.

On a recent Sunday afternoon, while checking out some football sandwiched in between the mandatory first, second and third quarter naps on the sofa, I became acutely aware that the pre-Christmas marketing blitz is in full swing and is designed to convince you that trying to live without a certain product would be a huge, life-altering mistake. This particular Sunday, it seemed the focus was on the latest portable electronic devices to include tablets, laptops and phones.

Q: How does Microsoft’s Surface tablet compare to the iPad? -- Jesse

Q: I’m considering Windows 8 but don’t know if my current computer is capable of the upgrade. Any quick way to figure out if I need a new computer or not? — Donald

Microsoft is known for its vast network of developers -- independent, third-party creators of applications and programs that run on its Windows platform.

SAN JOSE, Calif. — Apple introduced a smaller iPad, as expected, but also updated its full-sized one. It also unveiled new Mac computers, including a 13-inch version of a MacBook Pro with sharper, "Retina" display.

Q: I have thousands of songs in my iTunes at home that I would like to listen to at work and I don’t want to pay Apple to use iTunes Match. Any other suggestions? - Nicholas

Apple Inc. is set to reveal a smaller, cheaper version of the iPad at an event on Oct. 23, according to several reports published Friday.

Microsoft has announced the launch date for the new Windows 8 as the last week in October. Big deal, huh?

At the Computex show in Taipei earlier this summer, leading manufacturers previewed the next generation of tablets, ultrabooks, hybrids and touch-screen technology designed to take advantage of Microsoft's touch-friendly Windows 8 operating system. Here are a few of the cool gadgets you can expect to see near the end of the year.

Q: I just received a call from someone asking me to click the Windows button + R. The caller says he's from the computer maintenance department of Microsoft Windows and they are doing a routine check. He left a phone number and his name and asked that I call back. I'm figuring he was up to no good, so I didn’t comply. -- Cindy

ATLANTA (AP) — Two new computers running Google's Chrome operating system are looking to lure people to a browser-based environment. Both target light-duty computer users who don't need the full range of capabilities that traditional Windows and Mac computers provide.

New York •  Amazon.com wants “.joy,” Google wants “.love” and L’Oreal wants “.beauty.”

Q: Is the new Microsoft tablet going to be something that will be worth considering vs an iPad? — Tanya

Q: I’m in the market for a new computer; when will Windows 8 be out and is it worth getting? — Stanley

Q: I’m in the market for a new computer; when will Windows 8 be out and is it worth getting? — Stanley

If you’re an investor, you might be shaking your head in dismay after looking at your recent brokerage statements. In fact, you might even be thinking about giving up on Wall Street altogether. But before you do, consider the following story.