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计算机考试 | CompTIA认证考试

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章节目录

单选题 ()is commonly performed on CPUs and video cards to allow users to get enhanced performance.

A

Hyperthreading

B

Duplexing

C

Caching

D

Overclocking

单选题 Which of the following devices will be plugged into an AGP slot on a motherboard?()

A

Video card

B

Sound car

C

d Modem card

D

Network card

E

Magic I/O card

单选题 The Serial ATA (SATA) cables can extend up to ().

A

10 meters

B

5 meters

C

1 meter

D

100 meters

E

15 meters

单选题 Generally a hard disk drive has multiple disks, known as ().

A

Cartridges

B

Spindle motors

C

Sectors

D

Platters

单选题 Which of the following components of a laptop is NOT upgradeable?()

A

Ethernet LAN card

B

Motherboard

C

Hard disk

D

RAM

单选题 Which of the following statements about an LCD screen is not true?()

A

An LCD screen consumes more power than a CRT screen.

B

An LCD screen display may present high-quality images but only to viewers sitting directly in fron of the screen.

C

Currently, all laptops use LCD screens.

D

An LCD screen is considerably more expensive than a CRT screen.

单选题 ()enables a computer processor to process two sets of instructions at the same time.

A

Multi-tasking

B

Hyper-threading

C

Hyper-caching

D

Caching

单选题 The ()expansion slot provides faster video performance.

A

ISA

B

AGP

C

EISA

D

PCI

单选题 Bluetooth is a ()technology.

A

Satellite

B

Microwave

C

Light wave

D

Radio Frequency

单选题 ()are often used to organize and index the information or prices of objects.

A

Object codes

B

Bar codes

C

References

D

Notes

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