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- Question
Which one of the following is a statement of Kirchhoffs current law?
Options- A. The current through a resistance is proportional to the value of resistance and the IR drop across it
- B. The total current in a parallel circuit is less than the value of the smallest current
- C. The algebraic sum of currents in a loop is equal to zero
- D. The algebraic sum of currents entering and leaving a point is equal to zero
- E. None of the above
- Correct Answer
- The algebraic sum of currents in a loop is equal to zero
- 1. Backup and recovery procedures are primarily implemented to
Options- A. handle the contingency when a file gets corrupted
- B. to provide data redundancy
- C. to show different versions of data and programs
- D. All of the above
- E. None of the above Discuss
- 2. When UPC is used, the price of the item is located
Options- A. on the item
- B. on the item and on the shelf
- C. in computer storage
- D. on the shelf and in computer storage
- E. None of the above Discuss
- 3. In a large DBMS
Options- A. each user can "see" only a small part of the entire database
- B. each user can access every sub¬schema
- C. each subschema contains every field in the logical schema
- D. All of the above
- E. None of the above Discuss
- 4. In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
Options- A. ALTER TRIGGERS
- B. ALTER TABLE
- C. MODIFY TRIGGERS IN TABLE
- D. All of the above
- E. None of the above Discuss
- 5. The master list of an indexed file
Options- A. is sorted in ascending order
- B. contains only a list of keys and record numbers
- C. has a number assigned to each record
- D. both (b) and (c)
- E. None of the above Discuss
- 6. The fan-out capability of a digital building block can be defined as
Options- A. the number of inputs that one output can transmit to
- B. the amount of cooling required for fanning the hear out
- C. the number of inputs that can transmit to one input
- D. the maximum power dissipation (heat generation) that the unit can stand.
- E. None of the above Discuss
- 7. If you design a class that needs special initialization tasks, you will want to design a(n) _____
Options- A. housekeeping routine
- B. initializer
- C. constructor
- D. compiler Discuss
- 8. The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:
Options- A. Defect in the computers video circuitry
- B. Disconnected video cable
- C. Defective monitor
- D. System RAM problem
- E. None of the above Discuss
- 9. The first widely-used commercial form of Artificial Intelligence (Al) is being used in many popular products like microwave ovens, automobiles and plug in circuit boards for desktop PCs. It allows machines to handle vague information with a deftness that mimics human intuition. What is the name of this AI?
Options- A. Boolean logic
- B. Human logic
- C. Fuzzy logic
- D. Functional logic
- E. None of the above Discuss
- 10. The structure chart is:
Options- A. a document of what has to be accomplished
- B. a hierarchical partitioning of the program
- C. a statement of information-processing requirements
- D. All of the above
- E. None of the above Discuss
More questions
Correct Answer: handle the contingency when a file gets corrupted
Correct Answer: on the shelf and in computer storage
Correct Answer: each user can "see" only a small part of the entire database
Correct Answer: ALTER TABLE
Correct Answer: has a number assigned to each record
Correct Answer: the number of inputs that one output can transmit to
Correct Answer: constructor
Correct Answer: System RAM problem
Correct Answer: Fuzzy logic
Correct Answer: a hierarchical partitioning of the program
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