Related Questions

Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made.
A True
B False
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the
A Ultimate tensile strength (U.T.S.)
B Endurance limit
C Elastic limit
D None of these
Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
A Star
B Right
C Token-Ring
D Ethernet
E Bus
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq
Hardware devices that are not part of the main computer system and are often added later to the system.
A Peripheral
B Clip art
C Highlight
D Execute
If a material fails below its yield point, failure would be due to
A Straining
B Fatigue
C Creep
D Sudden loading
Which is the layer of a computer system between the hardware and the user program
A Operating environment
B Operating system
C System environment
D None
The hardware in which data may be stored for a computer system is called
A Registers
B Bus
C Control unit
D Memory
E Chip
What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?
A VARCHAR2
B CHAR
C LONG
D NUMBER
What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length?
A VARCHAR2
B CHAR
C LONG
D NUMBER

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