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- Question
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Options- A. Paperless office
- B. Electronic mail
- C. Global network
- D. Electronic newspaper
- E. None of the above
- Correct Answer
- Electronic mail
- 1. The two types of relays in a PC are:
Options- A. an output relay and a control relay
- B. a control relay and a retentive relay
- C. a retentive relay and a non-retentive relay
- D. All of the above
- E. None of the above Discuss
- 2. A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?
Options- A. 1.5 Mbaud/sec
- B. 6 Mband/sec
- C. 12 Mbaud/sec
- D. 24 Mbaud/sec
- E. None of the above Discuss
- 3. A widget is to the blueprint for a widget as an object is to
Options- A. a member function
- B. a class
- C. an operator
- D. a data item Discuss
- 4. Sending a copy of data to a program module is called _______
Options- A. passing a value
- B. making a reference
- C. recursion
- D. setting a condition Discuss
- 5. The three different types of pen plotter technology are flatbed, drum, and:
Options- A. electrostatic
- B. thermal
- C. pinch roller
- D. impact
- E. None of the above Discuss
- 6. If the English Philosopher Thomas Hobbes could be called 'grandfather' of artificial intelligence, then who could be called its father?
Options- A. A.M. Turning
- B. John McCarthy
- C. Allen Newell
- D. Herbert Simon
- E. None of the above Discuss
- 7. Management uses information for two purposes : planning and _____
Options- A. programmable
- B. control
- C. predictive reports
- D. relevant
- E. None of the above Discuss
- 8. Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?
Options- A. The contract
- B. The project evaluation
- C. The financial report.
- D. The purchasing report
- E. None of the above Discuss
- 9. Stepping motors:
Options- A. can run at varying speeds
- B. can be built to index different amounts by changing the pole configuration
- C. can run both clockwise and counterclockwise
- D. do not require commutators
- E. All of the above Discuss
- 10. When a computer fetches an instruction, the binary code representing the instruction appears on the:
Options- A. I/O address bus
- B. memory data bus
- C. input data bus
- D. output data bus
- E. None of the above Discuss
More questions
Correct Answer: an output relay and a control relay
Correct Answer: 12 Mbaud/sec
Correct Answer: a class
Correct Answer: passing a value
Correct Answer: pinch roller
Correct Answer: A.M. Turning
Correct Answer: control
Correct Answer: The contract
Correct Answer: All of the above
Correct Answer: memory data bus
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