Computer Hardware problems
- 1. What is modified when changing the system start-up boot sequence?
Options- A. BIOS/CMOS
- B. CONFIG.SYS
- C. autoexec.bat
- D. COMMAND.COM
- E. None of the above Discuss
Correct Answer: BIOS/CMOS
- 2. After doing a low-level format, what would be the next step in configuring the hard drive in a system?
Options- A. Format DOS partition
- B. Install operating system
- C. Configure DMA channel and back-up interrupt
- D. Partition hard disk
- E. None of the above Discuss
Correct Answer: Partition hard disk
- 3. What is the best ground for a conductive work bench?
Options- A. AC outlet
- B. Ground to bend
- C. To another device
- D. Chassis ground
- E. None of the above Discuss
Correct Answer: AC outlet
- 4. Match the device driver HIMEM.SYS to its operation.
Options- A. Supports (ANSI) terminal emulation
- B. Manages the use of extended memory
- C. Uses expanded memory on a 80386 processor
- D. Supports code page switching
- E. None of the above Discuss
Correct Answer: Manages the use of extended memory
- 5. To find out how much memory is available, you could type _____
Options- A. EMM
- B. MEM
- C. CHKDSK
- D. MEMMAKER
- E. None of the above Discuss
Correct Answer: MEM
- 6. You suspect a virus has entered your computer. What will not be affected by the virus?
Options- A. CMOS
- B. Boot sector
- C. Floppy disks
- D. Program files
- E. None of the above Discuss
Correct Answer: CMOS
- 7. RS-232 is a standard that applies to?
Options- A. Parallel port
- B. Serial port
- C. Game port
- D. All of the above
- E. None of the above Discuss
Correct Answer: Serial port
- 8. A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?
Options- A. A second bad keyboard
- B. The keyboard controller chip
- C. The keyboard connector
- D. The motherboard
- E. None of the above Discuss
Correct Answer: A second bad keyboard
- 9. On PC power supplies, the wire attached to pin one is usually:
Options- A. blue or red
- B. blue or white
- C. red or black
- D. red or white
- E. white or orange Discuss
Correct Answer: white or orange
- 10. Which type of cable is most likely in use with rj-45 connectors?
Options- A. 10base2
- B. 10base5
- C. 10baseT
- D. 10baseFL
- E. None of the above Discuss
Correct Answer: 10baseT
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