However, a home computer often had better graphics and sound than contemporary business computers. Their most common uses were playing video games, but they were also regularly used for word processing, doing homework, and programming.

In 1821 Babbage invented the Difference Engine to compile mathematical tables. On completing it in 1832, he conceived the idea of a better machine that could perform not just one mathematical task but any kind of calculation.

ENIAC computing

Charles Babbage

Altair

The best laptops you can buy today

1. Dell XPS 13. The best overall laptop you can buy.
2. Apple MacBook Pro (13-inch, M1) The best MacBook on the market.
3. Acer Swift 3 (2020, AMD Ryzen 7 4700U)
4. MacBook Pro (16-inch, 2019)
5. Apple MacBook Air (M1, 2020)
6. Dell XPS 13 2-in-1.
7. Acer Chromebook Spin 713.
8. Asus ZenBook 13 UX325EA.

Answer: The Commodore 64 Rocking a 0.985 MHz (PAL version) to 1.023 MHz (NTSC version) processor, 64 KB of RAM, and packed with fiery 8-bit power, the iconic little computer was produced from 1982 until 1994. The Commodore 64 was, and remains, the best selling personal computer of all time.

The Commodore 64 is the single most popular computer system ever sold.

The Best Desktop Computers of 2020 For Any Price Range

• Best Mid-Range Desktop Computer for Gaming: iBUYPOWER Element MR.
• Best High-End Desktop Computer: Dell XPS 8930.
• Best High-End All-In-One Desktop Computer: iMac 27-inch with 5K Retina Display.
• Best High-End Desktop Computer for Gaming: Alienware Aurora R11.

Best Laptops 2021

1. MacBook Air (late 2020) The best laptop of 2021.
2. HP Spectre x360 14. The best Windows laptop.
3. LG Gram 17 (2021) The best laptop in 2021 for big-screen fans.
4. HP Envy x360 (2020) The best budget laptop in 2021.
5. MacBook Pro 13 (late 2020)
6. Dell XPS 13 2-in-1.
7. Dell XPS 13 (late 2020)
8. Asus ROG Zephyrus G15.

• Best PC: Dell XPS Desktop Special Edition.
• Best gaming PC: Alienware Aurora Ryzen Edition R10.
• Best all-in-one PC: iMac (24-inch, 2021)
• Best budget gaming PC: Dell G5 Gaming Desktop.
• Best mini PC: Intel Ghost Canyon NUC.
• Best mid-range gaming PC: Lenovo Legion Tower 5i.
• Best Mac: Mac mini (M1, 2020)

The 8 Best Computer Brands

• Dell at dell.com. “If you buy your PC directly from Dell, you can customize it exactly how you like it.”
• HP at www8.hp.com.
• Apple at apple.com.
• Lenovo at lenovo.com.
• Microsoft at microsoft.com.
• Asus at asus.com.
• Acer at acer.com.

• Apple 21.5-inch iMac Computer.
• Dell Inspiron 27 All-in-One.
• HP Envy Curved All-in-One Desktop Computer.
• Microsoft Surface Studio.
• HP ProDesk G5.
• Apple Mac Mini.
• Dell XPS Tower.
• HP Omen Obelisk Desktop.

• Microsoft Laptop Surface Go. Why we like it: Everything we loved about the Surface 3 at a price to suit your needs.
• Microsoft Surface Laptop 3. Why we like it: A bigger version of the Surface Laptop Go.
• Honor Magicbook 14/15.
• ASUS Zenbook 14.
• 2020 Apple Macbook Air.
• LG gram 14, 16 and 17.
• Google Pixelbook Go.
• HP Envy X360.

If you’re interested in a powerful system and don’t need portability, a desktop PC will usually give you a better price-to-performance ratio. If it’s important to you to be able to be mobile, a laptop is clearly the answer, even if it’s a little less customizable.

Best budget PCs less than $500 in 2021

• Best overall: Acer Aspire TC-895.
• Runner-up: Lenovo IdeaCentre Mini 5i.
• Best value: Dell Inspiron 3880.
• Best PC stick: Terryza W5 Pro.
• Best all-in-one: HP AiO 22.

“If the computer is seven years old or more, and it requires a repair that is more than 25 percent of the cost of a new computer, I’d say don’t fix it,” says Silverman. Pricier than that, and again, you should think about a new computer.

For most desktop PCs, you can expect a minimum three-year lifespan. However, most computers survive five to eight years, depending on the upgrading components. Owners should routinely upgrade software and keep the machines free from excessive dust and debris.

Can a laptop last 20 years? The average lifespan for laptops is 3-5 years. If you take care of it and only use it for simple tasks, it can last 10 years or longer.

Can a laptop last 10 years? Yes, absolutely. If you take good care of a laptop, it could last for more than 10 years. Usually the first thing that gives out is the battery, which you can usually replace or use your laptop plugged in.

Lenovo’s Thinkpad is the Windows laptop that lasts the longest. It’s made from very high-quality materials and includes a proprietary roll case design. Their build frame is incredible and is just as good if not better than Apple’s frame. Lenovo has a 3-year warranty for their Thinkpads.

Worst laptops in 2020

• Acer. Score: (76/100) In some past few years of computer device, Acer brand was so active.
• Razer. Score: (73/100) You may know about the Razer brand if you are in the gaming world.
• Samsung. Scores: (75/100)
• Alienware. Score: (74/100)
• Apple. Score: (73/100)

Best Most Reliable Laptops

1. Apple MacBook Pro 16 inch.
2. Apple MacBook Air.
3. Samsung Notebook 9 Pen.
4. Lenovo Thinkpad x1 Carbon Gen 7.
5. Acer Aspire 5. Check Price on Amazon. Key Features. 2-year limited warranty.
6. HP Pavilion 15. Check Price on Amazon. Key Features. Big 15.6” screen with a 1920 x 1080 resolution.