Computer Hardware – Section 7

6. In which mode can two or more applications be stored in memory at the same time?

A. Segmented Mode
B. Unprotected Mode
C. Real Mode
D. Protected Mode
E. None of the above

Correct Answer: D. Protected Mode

7. How does a parallel port communicate information to a peripheral device?

A. one bit at a time
B. 8 bytes at a time
C. one byte at a time
D. 16,555 bytes at a time
E. None of the above

Correct Answer: C. one byte at a time

8. You suspect a virus has entered your computer. What will not be affected by the virus?

A. CMOS
B. Boot sector
C. Floppy disks
D. Program files
E. None of the above

Correct Answer: A. CMOS

9. On PC power supplies, the wire attached to pin one is usually:

A. blue or red
B. blue or white
C. red or black
D. red or white
E. white or orange

Correct Answer: E. white or orange

10. To find out how much memory is available, you could type _____

A. EMM
B. MEM
C. CHKDSK
D. MEMMAKER
E. None of the above

Correct Answer: B. MEM

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