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I ExploreAuthoritative parents often say____.

A. Let's be friends!
B. You're on your own!
C. Let's talk about it!
D. Because I said so!

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PRODUCTSSeacrest Computers manufactures a variety of products. We mostly create custom PCs for individuals. Our desktops are great for your （ 1 ） or office. We also create laptops and （ 2 ） for mobile customers. Don’t miss Seacrest’s first （ 3 ）! It is scheduled for release later this year.Seacrest also has a great （ 4 ） lineup for businesses. Our servers are secure and reliable. Your job will become easier with our custom workstations. Does your company process a lot of data? Allow us to design your new computer cluster. We also install （ 5 ） computers in company vehicles. For more information, click here to contact us.

All general purpose computers contain CPU,Memory,Mass Storage Device,Input Device, andOutput Device.

A. 对
B. 错

Central Processing Unitis the component that actually executes instructions.

A. 对
B. 错

Memory Enablea computer to store data and programs at least temporarily whileMass Storage Deviceallows a computer to permanently retain large amounts of data.

A. 对
B. 错