Computer Hardware – Section 4

41. A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

A. l0Mhz
B. 25Mhz
C. 50Mhz
D. 100 Mhz
E. None of the above

Correct Answer: B. 25Mhz

42. A capacitor is measured in which of the following units?

A. Volts
B. Ohms
C. Farads
D. Resistance
E. None of the above

Correct Answer: C. Farads

43. Which device uses a DMA channel?

A. Modem
B. Network Card
C. Sound Card
D. All of the above
E. None of the above

Correct Answer: C. Sound Card

44. Which REQUIRES an anti-static bag for transport?

A. Monitor
B. Floppy disks
C. Power supply
D. I/O controller
E. None of the above

Correct Answer: D. I/O controller

45. Static electricity thrives is which type of environment?

A. cold and humid
B. warm and humid
C. warm and dry
D. cold and warm
E. cold and dry

Correct Answer: E. cold and dry

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