PC and tablet sales have been growing at a record pace, thanks to the popularity of work and learn from home due to the coronavirus pandemic. And if health experts are to be believed, the sooner we get used to this new normal, the better. According to market research and analyst firm Canalys, global PC and tablet sales witnessed record growth in the third quarter.The past few months saw demand for personal computers and video collaboration products gaining traction as schools and offices were shut to prevent the spread of coronavirus.PC, Tablet Shipments GrowAccording to the new report from Canalys, the overall PC market, which includes tablets, grew 23% year over year in the third quarter. A total of 124.5 million units of PC were shipped during this period. All-in-one desktop sales grew 7%.The tablet market also came up with an impressive performance in the third quarter. Shipments of tablets jumped 43% year over year to 44.3 million units. Alphabet, Inc.’s GOOGL Chromebook shipments hit a record high of 9.4 million units, reflecting 122% year-over-year growth.Big Players Lead the RaceLenovo Group Ltd. LNVGY was the biggest beneficiaries of this demand jump, with tablets, notebooks and desktops shipments hitting 23.5 million units. Apple, Inc. AAPL was a close second, shipping 22.1 million Macs and iPads. Hewlett Packard Enterprise Company HPE, Dell Technologies Inc. DELL and Samsung Electronics Co. SSNLF were the other three top performers.Detachables sales, which include tablets and notebooks, jumped 88% and were the second-best performing category in personal computers. PC, tablet and laptop sales have been on the rise for the past few months now. Despite huge demand, buying computers and laptops initially became a problem since shipments were halted.Manufacturing too had taken a hit as factories remained closed, affecting overall sales of computers and related equipment. However, things started changing in the second quarter once the lockdowns were lifted with sales hitting a record high in the second and third quarters.The PC market has been declining for a decade as smartphones dominated many markets. However, PCs are back in the reckoning once again and the biggest reason behind this has been the pandemic. Worldwide consumer demand for new PCs was the highest in years, as the coronavirus pandemic and concurrent lockdowns drove demand for home entertainment and remote schooling.Stocks to WatchAlphabet Inc. has been one of the best performers in the PC market lately. One of the biggest reasons behind this is the success of Chromebooks, which has revolutionized the PC market again. The company sold the maximum number of PCs in the third quarterThe company’s expected earnings growth rate for the current year is 3.7%. The Zacks Consensus Estimate for current-year earnings has improved 14% over the past 60 days. Alphabet has a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Lenovo Group Ltd. is dedicated to building PCs and mobile Internet devices. Lenovo's business is built on product innovation, a highly efficient global supply chain and strong strategic execution.The company’s expected earnings growth rate for the current year is 66.1%. The Zacks Consensus Estimate for current-year earnings has improved 20.7% over the past 60 days. Lenovo has a Zacks Rank #3 (Hold).Apple, Inc. designs, manufactures and markets smartphones, personal computers, tablets, wearables and accessories worldwide. Its signature products include iPhone, Mac and iPad.The company’s expected earnings growth rate for the current year is 22.3%. The Zacks Consensus Estimate for current-year earnings has improved 0.5% over the past 60 days. Apple has a Zacks Rank #3.The Hottest Tech Mega-Trend of AllLast year, it generated $24 billion in global revenues. By 2020, it's predicted to blast through the roof to $77.6 billion. Famed investor Mark Cuban says it will produce "the world's first trillionaires," but that should still leave plenty of money for regular investors who make the right trades early.See Zacks' 3 Best Stocks to Play This Trend >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Dell Technologies Inc. (DELL): Free Stock Analysis Report Apple Inc. (AAPL): Free Stock Analysis Report Lenovo Group Ltd. (LNVGY): Free Stock Analysis Report Alphabet Inc. (GOOGL): Free Stock Analysis Report Hewlett Packard Enterprise Company (HPE): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research