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- Question
What logic function is produced by adding an inverter to each input and the output of an AND gate?
Options- A. NAND
- B. NOR
- C. OR
- D. XOR
- E. None of the above
- Correct Answer
- OR
- 1. A modem could be attached to which port?
Options- A. Parallel port
- B. ASYNC port
- C. Keyboard connector
- D. Video port
- E. None of the above Discuss
- 2. Which of the following digits are known as the terminal number of the Network User Address (NUA)?
Options- A. 5-7
- B. 1-4
- C. 8-12
- D. 13-14
- E. None of the above Discuss
- 3. Structured design methodology is an approach to design that adheres to rales based on principles such as
Options- A. top-down refinement
- B. bottom-up design
- C. data flow analysis
- D. All of the above
- E. None of the above Discuss
- 4. What could cause a fixed disk error?
Options- A. CDROM drive not installed
- B. Incorrect CMOS settings
- C. Incorrect RAM settings
- D. All of the above
- E. None of the above Discuss
- 5. Structured design produces computer programs that are
Options- A. easily
- B. maintained
- C. easily understood
- D. both (a) and (b)
- E. None of the above Discuss
- 6. The two classification of inputs are:
Options- A. energies and maintenance
- B. products and waste
- C. maintenance and waste
- D. maintenance and signal
- E. None of the above Discuss
- 7. 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
- 8. Which of the following would be a logical first step in troubleshooting a PC?
Options- A. Check the computer CMOS
- B. Define the circumstances of the problem
- C. Call the vendor
- D. Define what applications are being used
- E. None of the above Discuss
- 9. How is the integral mode implemented on a digital controller?
Options- A. the digital controller cannot handle integral mode
- B. the error is divided into discrete amounts
- C. the error signal is summed over a discrete time interval and accumulated by the controller
- D. All of the above
- E. None of the above Discuss
- 10. Which of the following statements is true?
Options- A. Two SCSI devices connected to a computer can have the same ID if they are both hard drives.
- B. Each SCSI device must have its own ID
- C. All SCSI devices must have the same ID
- D. SCSI ID's are irrelevant
- E. None of the above Discuss
More questions
Correct Answer: Parallel port
Correct Answer: 8-12
Correct Answer: data flow analysis
Correct Answer: Incorrect CMOS settings
Correct Answer: both (a) and (b)
Correct Answer: maintenance and signal
Correct Answer: Manages the use of extended memory
Correct Answer: Define the circumstances of the problem
Correct Answer: the error signal is summed over a discrete time interval and accumulated by the controller
Correct Answer: Each SCSI device must have its own ID
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