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$599.99

$769.99

Dell 24 All-In-One Desktop - W/ Windows 11 OS - HD Screen - 8GB - 512G - Dell Inspiron

Dell

折扣 22%

$599.99

$769.99

Dell 24 All-In-One Desktop - W/ Windows 11 OS - HD Screen - 8GB - 512G - Dell Inspiron

Dell

$1,549.99

Dell Tower Plus Desktop - W/ Windows 11 OS & Intel Core Ultra 7 - Dell XPS

Dell

$1,549.99

Dell Tower Plus Desktop - W/ Windows 11 OS & Intel Core Ultra 7 - Dell XPS

Dell

$969.99

$1,319.99

Dell 14 Plus 2-In-1 Laptop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 1T - Dell Inspiron

Dell

折扣 26%

$969.99

$1,319.99

Dell 14 Plus 2-In-1 Laptop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 1T - Dell Inspiron

Dell

$1,169.99

Dell Tower Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 512G - Dell Inspiron

Dell

$1,169.99

Dell Tower Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 512G - Dell Inspiron

Dell

$5,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - 64GB - 4T

Dell

折扣 17%

$5,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - 64GB - 4T

Dell

$1,399.99

$1,849.99

Dell 27 All-In-One Desktop - W/ Windows 11 OS & Intel Core - HD Touch Screen - 32GB - 1T - Dell Inspiron

Dell

折扣 24%

$1,399.99

$1,849.99

Dell 27 All-In-One Desktop - W/ Windows 11 OS & Intel Core - HD Touch Screen - 32GB - 1T - Dell Inspiron

Dell

$2,096.22

Dell Pro Tower Plus Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 9 - 32GB - 1T - Dell Optiplex

Dell

折扣 10%

$2,096.22

Dell Pro Tower Plus Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 9 - 32GB - 1T - Dell Optiplex

Dell

$6,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS - 64GB - 4T

Dell

折扣 17%

$6,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS - 64GB - 4T

Dell

$3,619.99

Alienware 18 Area-51 Gaming Laptop - W/ Windows 11 OS & Intel Core Ultra 9 - 32GB - 1T

Dell

$3,619.99

Alienware 18 Area-51 Gaming Laptop - W/ Windows 11 OS & Intel Core Ultra 9 - 32GB - 1T

Dell

$8,035.93

Dell Precision 7960 Tower Workstation Desktop - W/ Windows 11 Pro OS & Intel Xeon - 16GB - 512G

Dell

$8,035.93

Dell Precision 7960 Tower Workstation Desktop - W/ Windows 11 Pro OS & Intel Xeon - 16GB - 512G

Dell

$3,287.99

Alienware Aurora Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - 32GB - 2T

Dell

折扣 18%

$3,287.99

Alienware Aurora Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - 32GB - 2T

Dell

$1,719.13

Dell Pro 24 All-In-One 65W Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - HD Touch Screen - 16GB - 512G - Bts155d_Qc24250_Usx

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$1,719.13

Dell Pro 24 All-In-One 65W Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - HD Touch Screen - 16GB - 512G - Bts155d_Qc24250_Usx

dell_Admedia

$1,093.96

Dell Pro Tower Desktop - W/ Windows 11 Pro OS & Intel Vpro With Intel Core - 16GB - 256G - Dell Optiplex

Dell

$1,093.96

Dell Pro Tower Desktop - W/ Windows 11 Pro OS & Intel Vpro With Intel Core - 16GB - 256G - Dell Optiplex

Dell

$1,549.99

$2,179.99

Dell 27 All-In-One Desktop - W/ Windows 11 Pro OS & Intel Core - HD Touch Screen - 32 GB - 2T - Useec27250pbtshjxp

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Free shipping

折扣 28%

$1,549.99

$2,179.99

Dell 27 All-In-One Desktop - W/ Windows 11 Pro OS & Intel Core - HD Touch Screen - 32 GB - 2T - Useec27250pbtshjxp

dell_Admedia

$1,119.99

Dell Inspiron 14 2-In-1 Laptop - W/ Windows 11 OS - 14" FHD Touch Screen - 8GB - 1T

Dell

$1,119.99

Dell Inspiron 14 2-In-1 Laptop - W/ Windows 11 OS - 14" FHD Touch Screen - 8GB - 1T

Dell

$599.99

$769.99

Dell 24 All-In-One Desktop - W/ Windows 11 OS - HD Screen - 8GB - 512G - Useec24250hbtshjyv

dell_Admedia

Free shipping

折扣 22%

$599.99

$769.99

Dell 24 All-In-One Desktop - W/ Windows 11 OS - HD Screen - 8GB - 512G - Useec24250hbtshjyv

dell_Admedia

$5,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - NVIDIA® Geforce RTX 5090 32GB GDDR7 - 64GB - 4T - Useaat2250hbtshtrd

dell_Admedia

Free shipping

折扣 17%

$5,949.99

Alienware Area-51 Gaming Desktop - W/ Windows 11 OS & Intel Core Ultra 9 - NVIDIA® Geforce RTX 5090 32GB GDDR7 - 64GB - 4T - Useaat2250hbtshtrd

dell_Admedia

$1,169.99

Dell Tower Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 512G - Useect1250pbtshmpy

dell_Admedia

Free shipping

$1,169.99

Dell Tower Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - 16GB - 512G - Useect1250pbtshmpy

dell_Admedia

$469.99

$619.99

Dell Slim Desktop - W/ Windows 11 OS & Intel Core i3 - 8GB - 512G - Useecs1250hbtshmgg

dell_Admedia

100

Free shipping

折扣 24%

$469.99

$619.99

Dell Slim Desktop - W/ Windows 11 OS & Intel Core i3 - 8GB - 512G - Useecs1250hbtshmgg

dell_Admedia

$749.99

HP 2025 Touchscreen Laptop For Business And Student, Intel 13th Core I3-1315U(Up To 4.5Ghz), 15.6" HD Touch Display, 32 GB RAM, 1 TB SSD, Wi-Fi 6E,

Amazon.com

117

Free shipping

$749.99

HP 2025 Touchscreen Laptop For Business And Student, Intel 13th Core I3-1315U(Up To 4.5Ghz), 15.6" HD Touch Display, 32 GB RAM, 1 TB SSD, Wi-Fi 6E,

Amazon.com

$839.29

Dell Pro Micro Desktop - W/ Windows 11 Pro OS - 8GB - 256G - Dell Optiplex

Dell

$839.29

Dell Pro Micro Desktop - W/ Windows 11 Pro OS - 8GB - 256G - Dell Optiplex

Dell

$779.00

HP 15.6" Touchscreen Laptop 2025, Intel 13th Core I3-1315U(Up To 4.5Ghz), Intel UHD Graphics, 32GB RAM, 1TB SSD, Copilot, Anti-Glare, Windows 11 Pro,

Amazon.com

155

Free shipping

$779.00

HP 15.6" Touchscreen Laptop 2025, Intel 13th Core I3-1315U(Up To 4.5Ghz), Intel UHD Graphics, 32GB RAM, 1TB SSD, Copilot, Anti-Glare, Windows 11 Pro,

Amazon.com

$899.99

HP 2025 All-In-One Desktop Computer, Intel Celeron J4025 Processor, 21.5" FHD Display, 32 GB RAM, 1 TB SSD, Wi-Fi 6, HDMI, Wired Keyboard & Mouse,

Amazon.com

Free shipping

$899.99

HP 2025 All-In-One Desktop Computer, Intel Celeron J4025 Processor, 21.5" FHD Display, 32 GB RAM, 1 TB SSD, Wi-Fi 6, HDMI, Wired Keyboard & Mouse,

Amazon.com

$999.99

HP 2025 15.6" Touchscreen Laptop - W/Office Lifetime & Win 11 Pro&External DVD Drive, Intel i3 1315U(Up To 4.5Ghz), Wi-Fi 6, Copilot AI, HD Touch

Amazon.com

Free shipping

$999.99

HP 2025 15.6" Touchscreen Laptop - W/Office Lifetime & Win 11 Pro&External DVD Drive, Intel i3 1315U(Up To 4.5Ghz), Wi-Fi 6, Copilot AI, HD Touch

Amazon.com

$899.00

Lenovo Laptop Computer, Intel 10-Core I7-13620H (Beat Ultra 7 255U), 40GB DDR5 RAM, 1TB Pcie SSD, Wifi 6, BT 5.2, 15" FHD+, Ideapad Slim 3 Copilot PC

Amazon.com

Free shipping

$899.00

Lenovo Laptop Computer, Intel 10-Core I7-13620H (Beat Ultra 7 255U), 40GB DDR5 RAM, 1TB Pcie SSD, Wifi 6, BT 5.2, 15" FHD+, Ideapad Slim 3 Copilot PC

Amazon.com

$649.99

$849.99

HP - Omnidesk Desktop - AMD Ryzen 7 8700G 2024 - 16GB DDR5 Memory - 1TB SSD - Gray Wood

Best Buy

Free shipping

折扣 23%

$649.99

$849.99

HP - Omnidesk Desktop - AMD Ryzen 7 8700G 2024 - 16GB DDR5 Memory - 1TB SSD - Gray Wood

Best Buy

$1,199.00

15-In. Macbook Air Laptop - M4 Chip, 256GB - Midnight - Apple - Apple

Apple Store

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$1,199.00

15-In. Macbook Air Laptop - M4 Chip, 256GB - Midnight - Apple - Apple

Apple Store

$369.99

HP Chromebook 15.6" Laptop For Student & Business, 15.6 Inch HD Display, 8 GB RAM, 192 GB Storage (64 GB Emmc + 128 GB Microsd), Intel Quad-Core

Amazon.com

Free shipping

$369.99

HP Chromebook 15.6" Laptop For Student & Business, 15.6 Inch HD Display, 8 GB RAM, 192 GB Storage (64 GB Emmc + 128 GB Microsd), Intel Quad-Core

Amazon.com

$429.99

$649.99

HP - 15.6" Full HD Touch-Screen Laptop - Intel Core i5 1334U 2023 - 16GB Memory - 512GB SSD - Natural Silver

Best Buy

Free shipping

折扣 33%

$429.99

$649.99

HP - 15.6" Full HD Touch-Screen Laptop - Intel Core i5 1334U 2023 - 16GB Memory - 512GB SSD - Natural Silver

Best Buy

$999.00

13-In. Macbook Air Laptop - M4 Chip, 256GB - Midnight - Apple - Apple

Apple Store

Free shipping

$999.00

13-In. Macbook Air Laptop - M4 Chip, 256GB - Midnight - Apple - Apple

Apple Store

$1,719.13

Dell Pro 24 All-In-One 65W Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - HD Touch Screen - 16GB - 512G - Dell Optiplex

Dell

$1,719.13

Dell Pro 24 All-In-One 65W Desktop - W/ Windows 11 Pro OS & Intel Core Ultra 7 - HD Touch Screen - 16GB - 512G - Dell Optiplex

Dell

$1,249.99

HP OMEN - 16" 2K 144Hz Gaming Laptop - AMD Ryzen 9 8940HX 2025 - 32GB DDR5 Memory - NVIDIA Geforce RTX 5060 - 1TB SSD - Shadow Black

Best Buy

Free shipping

折扣 20%

$1,249.99

HP OMEN - 16" 2K 144Hz Gaming Laptop - AMD Ryzen 9 8940HX 2025 - 32GB DDR5 Memory - NVIDIA Geforce RTX 5060 - 1TB SSD - Shadow Black

Best Buy

$1,859.99

ASUS - ROG G700 Gaming Desktop - Intel Core Ultra 7 265KF - 32GB Memory - NVIDIA Geforce RTX 5070 12GB - 2TB SSD - Black

Best Buy

Free shipping

$1,859.99

ASUS - ROG G700 Gaming Desktop - Intel Core Ultra 7 265KF - 32GB Memory - NVIDIA Geforce RTX 5070 12GB - 2TB SSD - Black

Best Buy

$2,049.99

Ibuypower - Slate Gaming Desktop PC- Intel Core Ultra 9 285K,NVIDIA Geforce RTX 5070 12GB,32GB DDR5 RGB,2TB Nvme - White

Best Buy

Free shipping

折扣 10%

$2,049.99

Ibuypower - Slate Gaming Desktop PC- Intel Core Ultra 9 285K,NVIDIA Geforce RTX 5070 12GB,32GB DDR5 RGB,2TB Nvme - White

Best Buy

$1,249.00

Silver iMac - Apple Education Store

Apple Store

Free shipping

$1,249.00

Silver iMac - Apple Education Store

Apple Store

$169.00

$399.00

Lenovo - Ideapad Slim 3 Chromebook Laptop - 14" Full HD Touchscreen Laptop - Mediatek Kompanio 520 2022 - 4GB Memory - 64GB Emmc - Abyss Blue

Best Buy

Free shipping

折扣 57%

$169.00

$399.00

Lenovo - Ideapad Slim 3 Chromebook Laptop - 14" Full HD Touchscreen Laptop - Mediatek Kompanio 520 2022 - 4GB Memory - 64GB Emmc - Abyss Blue

Best Buy

How Computers Work: What Makes a Computer, a Computer?

5:10

YouTubeCode.org

How Computers Work: What Makes a Computer, a Computer?

Computers are all around us, but what really makes a computer, a computer? Explore the history of computers and the features they all share. Start learning at http://code.org/ Stay in touch with us! • on Twitter https://twitter.com/codeorg • on Facebook https://www.facebook.com/Code.org • on Instagram https://instagram.com/codeorg • on ...

已浏览 177.6万次2018年1月30日

Computer Tips and Tricks