3C051 Vol 1 UREs
CDC URE practice questions
- 1.What is the first job the basic input output system (BIOS) does at start-up?
- A.
Run memory byte count.
- B.
Test for parity errors.
- C.
Load instructions to random access memory (RAM).
- D.
Run the power-on self-test.
- 2.Which original component was very susceptible to damage from electrostatic discharge?
- A.
Read-only memory (ROM).
- B.
Basic input output system (BIOS).
- C.
Complementary metal-oxide semiconductor (CMOS).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 3.Which component uses a lithium battery to maintain computer settings when power is removed?
- A.
Read-only memory (ROM).
- B.
Basic input output system (BIOS).
- C.
Complementary metal-oxide semiconductor (CMOS).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 4.What is considered a nonvolatile permanent memory?
- A.
Read-only memory (ROM).
- B.
Basic input output system (BIOS).
- C.
Complementary metal-oxide semiconductor (CMOS).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 5.What is a form of firmware that contains the computer’s start up instructions?
- A.
Read-only memory (ROM).
- B.
Basic input output system (BIOS).
- C.
Complementary metal-oxide semiconductor (CMOS).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 6.What static RAM (SRAM) uses special applications in a CPU?
- A.
Basic input output system (BIOS).
- B.
Complementary metal-oxide semiconductor (CMOS).
- C.
Cache.
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 7.On most modern computers, which has two or three levels of memory?
- A.
Complementary metal-oxide semiconductor (CMOS).
- B.
Cache.
- C.
Double Data Random Access Memory (DDRAM).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 8.Actively sampling the status of an external device by a client program is known as
- A.
Polling.
- B.
Signaling.
- C.
Processing.
- D.
Multitasking.
- 9.What is defined as an asynchronous signal from a computer hardware device indicating the need for attention from a central processing unit (CPU) or a synchronous event?
- A.
Cache.
- B.
Buffer.
- C.
Interface.
- D.
Interrupt.
- 10.What interrupt request (IRQ) line number is normally used for the floppy disk controller?
- A.
2
- B.
4
- C.
6
- D.
8
- 11.Which term describes that data is whole or complete?
- A.
Driver.
- B.
Parity bit.
- C.
Data integrity.
- D.
Error correction.
- 12.What is considered as a technique or method of checking data integrity?
- A.
Asynchronous.
- B.
Parity bit.
- C.
Interrupt.
- D.
Fault.
- 13.Which is a very simple example of an error detecting code?
- A.
Interrupt.
- B.
Parity bit.
- C.
Asynchronous.
- D.
Data integrity.
- 14.What component initializes communication with all the hardware devices and sends a message if a keyboard or mouse is not found?
- A.
Read- only memory (ROM).
- B.
Basic input output system (BIOS).
- C.
Complementary metal-oxide semiconductor (CMOS).
- D.
Electrically erasable programmable read-only memory (EEPROM).
- 15.Which is a small, low-level program used by the computer operating system to interact with hardware devices?
- A.
Basic input output system (BIOS).
- B.
Driver.
- C.
Parity.
- D.
Interrupt.
- 16.What is the sudden and momentary electric current that flows between two objects at different electrical potentials?
- A.
Voltage.
- B.
Amperage
- C.
Conductivity
- D.
Electrostatic discharge.
- 17.Static electricity remains intact until it is
- A.
Absorbed
- B.
Dissolved.
- C.
Discharged.
- D.
Neutralized.
- 18.Under what class of electrostatic discharged (ESD) would an item fall if it was sensitive to 900 volts?
- A.
I
- B.
II
- C.
III
- D.
IV
- 19.Electrostatic discharge (ESD) items sensitive to more than 4,000 but less than 15,000 volts fall into category
- A.
I
- B.
II
- C.
III
- D.
IV
- 20.What measure would you take to prevent the buildup of static electricity?
- A.
Ground electrostatic discharge sensitivity (ESDS) device.
- B.
Check the relative humidity level.
- C.
Disconnect the circuit from the device.
- D.
Turn the power switch to the off position.
- 21.What is the first step you must take when either installing or removing an electrostatic discharge sensitive (ESDS) device?
- A.
Ground electrostatic discharge sensitivity (ESDS) device.
- B.
Check the relative humidity level
- C.
Disconnect the circuit from the device.
- D.
Turn the power switch to the off position.
- 22.The process of collecting and analyzing data to determine the cause of an operational failure and how to prevent it from recurring is called
- A.
Fault isolation.
- B.
Event evaluation.
- C.
Process investigation.
- D.
Analytical consideration.
- 23.In which troubleshooting step would you determine which conditions are present?
- A.
Define the problem.
- B.
Isolate the problem.
- C.
Resolve the problem.
- D.
Confirm the resolution.
- 24.In which troubleshooting step would you confirm a dilemma exists?
- A.
Define the problem.
- B.
Isolate the problem.
- C.
Resolve the problem.
- D.
Confirm the resolution.
- 25.In which troubleshooting step would you identify likely causes and eliminate unlikely causes?
- A.
Define the problem.
- B.
Isolate the problem.
- C.
Resolve the problem.
- D.
Confirm the resolution.
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