Description : In electronic circuitry, the abbreviation 'PCB' commonly means ______________. A. pulse coded binary B. printed circuit board C. poly-coated braid D. personal computer bits
Last Answer : Answer: B
Description : The network of wires or electronic path ways on mother board back side: a. PCB b. BUS c. BOTH A and B d. None of these
Last Answer : c. BOTH A and B
Last Answer : The main printed circuit board of a computer is called mother board.
Description : To avoid damaging the components of a printed circuit board when testing it with a DC volt-ohmmeter, you should _______. A. ground the board B. avoid reversing the polarity of the leads C. isolate sensitive components with heat sinks D. all of the above
Description : When soldering a printed circuit board component, you should be careful to prevent damage by _________. A. quickly heating the joints, using a high wattage iron B. using the soldering iron tip sparingly C. using only acid cord solder D. applying mechanical pressure to the joints being soldered
Description : Why is it a poor practice to use a high wattage soldering iron when soldering or desoldering components on a printed circuit board? A. The circuit board will blister and warp. B. The foil wire bonded ... board has a low melting temperature. D. The solder is kept to a dull heat dissipating finish.
Description : In electronic circuits, DC voltages can be positive (+) or negative (-) when measured with respect to the _________. A. printed circuit board 'common' trace B. chassis, console frame or hull 'ground' C. analogue or digital circuitry 'common' bus D. all of the above
Last Answer : Answer: D
Description : Tightly knit metal braid wire can be used with a printed circuit board when ___________. A. conductor flexibility is required B. desoldering components in the circuit C. electrically produced magnetic ... cause inaccuracies in adjacent components D. reactance in the circuit must be kept to a minimum
Description : Multilayer printed circuit board repair is the responsibility of what 2M repair technician?
Last Answer : Microminiature repair technician.
Description : When does most printed circuit board damage occur?
Last Answer : During disassembly or repair.
Description : Programs that duplicate the functionality of one system on another system is known as (1) Emulators (2) Simulators (3) Evaluators (4) PCB
Last Answer : Emulators
Description : In the illustration, the component VR1 on the A1A1 PCB is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply B. a variable resistor diode to control the output to terminal 9 that controls ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Last Answer : Answer: C
Description : How to know what PCB boards go with what hard drive?
Last Answer : More detail and a better formed question might help to know what you are looking for.
Description : Where can I find good prices on low volume PCB production?
Last Answer : China
Description : What is the full form of 'PCB' ? -How To ?
Last Answer : The full form of 'PCB' is Printed Circuit Board, Pollution Control Board
Description : What is EM888 PCB?
Last Answer : There are so many things in life, you may put aside this question and look at others
Description : How to Reduce PCB Assembly Cost Without Sacrificing Quality?
Last Answer : When working within any industry, the cost of materials must be worked into the cost of the services provided. Otherwise, you are losing money and not doing yourself any favors. ... Helpheltronics. comHELTRONICS1031 MacArthur Road, Suite G, Reading PA, 196051-610-575-0207info@heltronics. com
Last Answer : Full printed PCB Circuit Board
Last Answer : Printed Circuit Board
Description : How is a flat pack removed from a pcb?
Last Answer : Heat each lead and lift with tweezers.
Description : What is the packaging level of a pcb?
Last Answer : Level II.
Description : Explain PCB with diagram.
Last Answer : Each process is represented as a process control block (PCB) in the operating system. It contains information associated with specific process. Process State: It indicates current state of a process. ... . Each PCB gives information about a particular process for which it is designed.
Description : Conformal coating is done in PCB assemblies to
Last Answer : Conformal coating is done in PCB assemblies to Protect electronics from Moisture and contamination
Description : A typical Solder composition used in component assembly to PCB is
Last Answer : A typical Solder composition used in component assembly to PCB is lead and tin
Description : RCBD stands for: a. Repeated control block design b. Reported complete block design c. Randomized complete block design d. All of above
Last Answer : Randomized complete block design
Description : Constantly running system program processes are known as (1) Daemons (2) Processes (3) Process Block (4) Process Control Block
Last Answer : Daemons
Description : If a child is a back bencher and is unable to watch the black board clearly. As a result he stands, sees and sits repeatedly. What inference will you draw regarding the case? Options: A) The child is ... is under shining effect of light C) The child has defective-vision D) both (a) and (C)
Last Answer : D) both (a) and (C)
Description : ________ is a printer language that uses English phrases and programmatic constructions to describe the appearance of a printed page to the printer. A. Postscript B. PCL C. Both (A) and (B) D. None of the Above
Last Answer : A. Postscript
Description : Personal computers used a number of chips mounted on a main circuit board. What is the common name for such boards? A) Daughterboard B) Motherboard C) Father board D) Childboard
Last Answer : Answer : B
Description : A thin plate or board that contains electronic components is called ___________ A. Hard Disk B. RAM C. ROM D. Circuit Board
Last Answer : D. Circuit Board
Description : The main circuit-board of the system unit is _______ (A) RAM (B) Mother Board (C) Hard disk (D) None of the Above
Last Answer : (B) Mother Board
Description : Motherboard is a: a) A board which connects only CPU and Keyboard b) A circuit board which connects all the elements c) Keyboard otherwise known as motherboard d) CPU's Circutary e) None of These
Last Answer : b) A circuit board which connects all the elements
Description : The mother board contains various________: a) Integrated System b) Integrated Circuit c) Internal Resource d) None of These
Last Answer : b) Integrated Circuit
Description : MSI stands for A) Medium Scale Integrated Circuits B) Medium System Integrated Circuits C) Medium Scale Intelligent Circuit D) Medium System Intelligent Circuit
Last Answer : Answer : A
Description : When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors ... circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit
Last Answer : Answer: A
Description : When troubleshooting a console circuit card suspected of being faulty, first check for proper voltages to the card and then _______________. A. test transistors or integrated circuits for gain and ... D. de-energize the card and check the printed circuit traces for continuity with an ohmmeter
Description : What type of service is NOT provided by the circuit shown in the illustration? EL-0094 A. Logging of engine order signals from the bridge. B. Printed record of alarms as they ... . Visual metering of temperature and pressure conditions. D. Periodic recording of pressure and temperature conditions.
Description : What is one of the major disadvantages of multilayer printed circuit boards?
Last Answer : Difficulty of repair of internal connections.
Description : Name the three methods of interconnecting components in multilayer printed circuit boards.
Last Answer : Clearance hole, plated-through hole, and layer build-up
Description : What is the major disadvantage of printed circuit boards?
Last Answer : Components soldered in place.
Description : List the major advantages of printed circuit boards.
Last Answer : Eliminate heavy chassis and point-to-point wiring
Description : ECE Board Exam March 1996 EIRP stands for _______________. A. effective isotropic refracted power B. effective and ideal radiated power C. effective isotropic reflected power D. effective isotropic radiated power
Last Answer : D. effective isotropic radiated power
Description : BIFR stands for 1. Bank for industrial and Financial Reconstruction 2. Board of Industrial and Financial Reconstruction 3. Board of Industries Financial Reconciliation 4. Bank of Industries Financial Reconstruction 5. BIFR
Last Answer : Board of Industrial and Financial Reconstruction
Description : IBRD stands for _____. a. International Board for Research and Development b. International Bank for Reconstruction and Development c. International Bank for Research Development d. International Barrier For Reconstruction and Development
Last Answer : International Bank for Reconstruction and Development
Description : CBDT stands for ………………………….. A) Central Bureau of Direct Taxes B) Central Board of Direct Taxes C) Citizen’s Board of Direct Taxes D) Citizen’s Bureau of Direct Taxes
Last Answer : B) Central Board of Direct Taxes
Description : A child is a back -bencher and is unable to watch the black-board clearly, therefore he stands, see and sit repeatedly. It disturbs the nearby classmates, what inference will you draw with reference to the ... defective eyes C) The black-board may has shining effect of light D) None of the above
Last Answer : A) The child has poor eye-sight
Description : How many control keys are there on the key board ?
Last Answer : Usually there are 2 o'clock. In some cases it is 1 o'clock.
Description : ALU and Control Unit have special purpose locations called _______ (A) Registers (B) Mother Board (C) Sockets (D) None of the Above
Last Answer : (A) Registers
Description : All of the logic and mathematical calculations done by the computer happen in/on the - 1) Central processing unit 2) Mother board 3) Memory 4) Central control unit
Last Answer : 1) Central processing unit
Description : All of the logic and mathematical calculations done by the computer happen in/on the - 1 Central processing unit 2 Mother board 3 Memory 4 Central control unit
Last Answer : 1 Central processing unit