超星 - Homework3 - 查题吧

单选题

Which of the following is known as the heart and brains of a computer?

A. Optical drive
B. Motherboard
CPU
D. Memory

单选题

The ________ is a group of microchips on the motherboard that control the flow of data and instructions sent to and from the processor.

A. PCIe
B. Chipset
C. RAM
D. CPU

单选题

When data and instructions are not being used, they must be kept in permanent storage. It is sometimes called ________ storage.

A. Secondary
B. Primary
C. Volatile
D. Hard

单选题

Which of the following raid levels provides maximum usable disk space?

A. RAID 1
B. RAID 0
C. RAID 5
D. RAID 6

单选题

Data and instructions cannot be processed by the CPU from remote storage such as a hard disk or cloud storage. They must first be copied into ________ storage for processing.

A. flash memory
B. ROM
C. non-volatile
D. primary

单选题

Running a motherboard or processor at a higher speed than what the manufacturer suggests is called ________.

A. Throttling
B. Hyper-Threading
C. Overclocking
D. Boost

单选题

A CPU that contains two physical cores with Hyper-Threading has ________ ALUs.

A. 2
B. 1
C. 6
D. 4

单选题

You are installing RAM modules. Which of the following could damage your RAM modules?

A. Static electricity
B. Fingerprints
Cold air
Dynamic electricity

单选题

What is the minimum number of disks required for RAID1?

A. 1
B. 2
C. 4
D. 5

单选题

If the BIOS setup does not recognize a newly installed hard drive, you should________.

A. verify bios setup has been correctly configured for auto detection
B. drain the power to the system
C. through it out the window
D. flash the bios

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