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- Question
Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode
Options- A. 11 mA
- B. 12 mA
- C. 10 mA
- D. 14 mA
- E. None of the above
- Correct Answer
- 10 mA
- 1. A turnaround document can be a (n)
Options- A. punched card
- B. OCR document
- C. both (a) and (b)
- D. neither (a) nor (b)
- E. None of the above Discuss
- 2. A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.
Options- A. Network
- B. Hierarchical
- C. Relational
- D. Object-Oriented
- E. None of the above Discuss
- 3. A hierarchical chart that divides a large program into modules, in which greater details is designed in successively lower programming levels, is called a
Options- A. Scheme
- B. sub-schema
- C. Structure
- D. All of the above
- E. None of the above Discuss
- 4. A statement - by - statement description of a procedure is detailed in a;
Options- A. written narrative
- B. procedure's log
- C. systems flowchart
- D. record layout
- E. None of the above Discuss
- 5. After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?
Options- A. Use the DOS+ command
- B. Use the SETVER command
- C. Restore the old DOS version
- D. Contact the application's vendor support line
- E. None of the above Discuss
- 6. Conversion of an octal number 1438 to its decimal number is
Options- A. 9010
- B. 97110
- C. 9910
- D. 10710
- E. None of the above Discuss
- 7. Which of the following is not a primary reason for the popularity of decision support systems?
Options- A. declining cost of computer hardware
- B. advent of data-base management systems
- C. increased number of programmers
- D. management trained in analytic techniques
- E. increased number of software packages Discuss
- 8. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
Options- A. 192
- B. 192.168.10
- C. 0.0.0.5
- D. 51
- E. None of the above Discuss
- 9. The device that assembles groups of characters into complete messages prior to their entering the CPU is called:
Options- A. a compiler
- B. an interpreter
- C. a communications processor
- D. an editor
- E. None of the above Discuss
- 10. Which of the following is true about pseudocode
Options- A. A machine language
- B. An assembly language
- C. A high-level language
- D. All of the above
- E. None of the above Discuss
More questions
Correct Answer: both (a) and (b)
Correct Answer: Relational
Correct Answer: Structure
Correct Answer: written narrative
Correct Answer: Use the SETVER command
Correct Answer: 9910
Correct Answer: increased number of programmers
Correct Answer: 192.168.10
Correct Answer: a communications processor
Correct Answer: None of the above
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