3C051 CDC Vol. 1

73 Questions | By 72jmpmaster | Updated: Mar 18, 2022 | Attempts: 1115

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This is all URE questions from Volume 1 of the 3C051 CDC (As of 2009)

Questions and Answers

1.

(001) 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.

(001) 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.

(001) 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.

(001) What is considered as 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.

(001) What is a form of firmware that contains the computer's startup instructions?
- A.
  
  Basic input/output system (BIOS).
- B.
  
  Complementary metal-oxide semiconductor (CMOS).
- C.
  
  Cache.
- D.
  
  Electrically erasable programmable read-only memory (EEPROM).
6.

(001) 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.

(001) 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.

(001) Actively sampling the status of an external device by a client program is know as
- A.
  
  Polling
- B.
  
  Signaling
- C.
  
  Processing
- D.
  
  Multitasking
9.

(002) 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.

(002) What interrupt request (IRQ) line number is normally used for the floppy disk controller?
- A.
  
  2
- B.
  
  4
- C.
  
  6
- D.
  
  8
11.

(002) Which term describes that data is whole or complete?
- A.
  
  Driver
- B.
  
  Parity bit
- C.
  
  Data integrity
- D.
  
  Error correction
12.

(002) What is considered as a technique or method of checking data?
- A.
  
  Asynchronous
- B.
  
  Parity bit
- C.
  
  Interrupt
- D.
  
  Fault
13.

(002) Which is a very simple example of an error detecting code?
- A.
  
  Interrupt
- B.
  
  Parity bit
- C.
  
  Asyncronous
- D.
  
  Data integrity
14.

(002) What component initializes communication with all 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.

(002) 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.

(003) 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.

(003) Static electricity remains intact until it is
- A.
  
  Absorbed
- B.
  
  Dissolved
- C.
  
  Discharged
- D.
  
  Neutralized
18.

(003) Under what class of electrostatic discharge (ESD) would an item fall if it was sensitive to 900 volts?
- A.
  
  I
- B.
  
  II
- C.
  
  III
- D.
  
  IV
19.

(003) 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.

(003) What measure would you take to prevent the build up of static electricity?
- A.
  
  Ground the electrostatic discharge sensitive (ESDS) device
- B.
  
  Check the relative humidity
- C.
  
  Disconnect the circuit from the device
- D.
  
  Turn the power switch to the off position
21.

(003) What is the first step you must take when either installing or removing an electrostatic discharge sensitive device (ESDS)?
- A.
  
  Ground the 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.

(004) 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.

(004) 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.

(004) 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.

(004) 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