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(Q) The current requerment of a LED is_______

  1. 1.7mA
  2. 25mA
  3. between 3 and 35 mA
  4. 65mA

Ans : between 3 and 35 mA

(Q) The current in a circuit is 45mA.this is_______

  1. 0.045Amp
  2. 0.00045A
  3. 0.0045A
  4. 0.45A

Ans : 0.045Amp

(Q) Shunting the ac component away from the load is the task of a_______

  1. transformer
  2. filter
  3. regulator
  4. rectifier

Ans : filter

(Q) Condensor store electrical energy_______

  1. TRUE
  2. TRUE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) In a diode schematic, the anode is represented by a(n)_______

  1. triangle
  2. vertical line
  3. zig-zag line
  4. element indicator

Ans : triangle

(Q) What is the result when a decimal 5238 is converted to base 16?

  1. 327.375
  2. 12166
  3. 12166
  4. 1476

Ans : 1476

(Q) Why is heat produced in a diode?

  1. due to current passing through the diode
  2. due to voltage across the diode
  3. due to the power rating of the diode
  4. due to the PN junction of the diode

Ans : due to current passing through the diode

(Q) Which is not a commone value of resistance

  1. 2k2
  2. 220k
  3. 68k
  4. 4k4

Ans : 4k4

(Q) Electrolytic condensor works only in_______

  1. AC supply
  2. DC supply
  3. AC DC both supply
  4. AC DC both supply

Ans : DC supply

(Q) What is the color of resistance value 1.2K_______

  1. Brown Red Yellow
  2. Brown Red Red
  3. Brown Red Brown
  4. None of this

Ans : Brown Red Red

(Q) SPST IS A_______

  1. CONNECTOR
  2. JUMPER
  3. SWITCH
  4. None of this

Ans : SWITCH

(Q) OR GATE output are_______

  1. (A.B)
  2. (A+B)
  3. (A-B)
  4. (AB)

Ans : (A+B)

(Q) primary & secondary a part of_______

  1. transformer
  2. IC
  3. coil
  4. capacitor

Ans : transformer

(Q) The weight of the LSB as a binary number is_______

  1. 1
  2. 2
  3. 3
  4. 4

Ans : 1

(Q) MOSFET is a_______

  1. DIODE
  2. TRANSISTOR
  3. CAPACITOR
  4. IC

Ans : TRANSISTOR

(Q) (A.B) is a_______

  1. OR GATE OUTPUT
  2. NAND GATE OUTPUT
  3. AND GATE OUTPUT
  4. AND GATE OUTPUT

Ans : AND GATE OUTPUT

(Q) The diode schematic arrow points to the_______

  1. trivalent-doped material
  2. positive axial lead
  3. anode lead
  4. cathode lead

Ans : cathode lead

(Q) NPN is a_______

  1. IC
  2. GATE
  3. Transistor
  4. Capacitor

Ans : Transistor

(Q) PNP and NPN transistors are same in terms of working_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : FALSE

(Q) The number 104 capacitor indicates_______

  1. 0.1u
  2. 1000n
  3. 1n
  4. 10n

Ans : 0.1u

(Q) Zener is_______

  1. Diode
  2. IC
  3. Resistance
  4. Condenser

Ans : Diode

(Q) ZENER is a_______

  1. COIL
  2. IC
  3. DIODE
  4. None of this

Ans : DIODE

(Q) What is 1,000p_______

  1. 0.01n
  2. 0.0001u
  3. 0.1n
  4. 1n

Ans : 1n

(Q) In case of Short Circuit,_______Current will flow in the Circuit.

  1. Zero.
  2. Very Low
  3. Normal.
  4. Infinite

Ans : Infinite

(Q) Rectifier converts_______

  1. AC to AC current
  2. DC to AC current
  3. DC to DC current
  4. AC to DC current

Ans : AC to DC current

(Q) From what location are the 1st computer instructions available on boot up?

  1. ROM BIOS
  2. CPU
  3. boot.ini
  4. CONFIG.SYS

Ans : ROM BIOS

(Q) AT SMPS PG stands for_______

  1. Power gone
  2. Power guard
  3. Power good
  4. Power gate

Ans : Power good

(Q) The access time (tacc) of a memory IC is governed by the IC?_______

  1. volatility
  2. internal address decoder
  3. internal address buffer
  4. internal address decoder and volatility

Ans : internal address decoder

(Q) Which provides the fastest access to large video files?

  1. Optical drives
  2. IDE hard drives
  3. SCSI hard drives
  4. EIDE hard drives

Ans : SCSI hard drives

(Q) What is the best ground for a conductive work bench?

  1. AC outlet
  2. Ground to bend
  3. To another device
  4. Chassis ground

Ans : AC outlet

(Q) Which standard govern parallel communications?

  1. RS232
  2. RS-232a
  3. CAT 5
  4. IEEE 1284

Ans : IEEE 1284

(Q) Printer is a input device_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : FALSE

(Q) We can show OS information from_______

  1. System Properties
  2. Device Manager
  3. BOTH
  4. None of this

Ans : System Properties

(Q) Voltage is measured_______

  1. in parallel
  2. in series
  3. after breaking the circuit
  4. after checking resistance

Ans : in parallel

(Q) ESD would cause the most damage to which component?

  1. Power supply
  2. Expansion board
  3. Monitor
  4. Keyboard

Ans : Expansion board

(Q) 15 pin connector use for_______

  1. VGA
  2. Printer
  3. Serial Mouse
  4. None of this

Ans : VGA

(Q) CRT Monitor EHT voltage are_______

  1. 20kv
  2. 24kv
  3. 30kv
  4. 40kv

Ans : 24kv

(Q) Any number with an exponent of zero is equal to_______

  1. zero
  2. one
  3. that number
  4. ten

Ans : one

(Q) Since diodes are destroyed by excessive current, circuits must have_______

  1. higher voltage sources
  2. current limiting resistors
  3. more dopants
  4. higher current sources

Ans : current limiting resistors

(Q) The voltages in digital electronics are continuously variable_______

  1. TRUE
  2. FALSE
  3. N.A
  4. N.A

Ans : TRUE

(Q) Which of the following capacitors is polarized?

  1. plastic-film
  2. mica
  3. ceramic
  4. electrolytic

Ans : electrolytic

(Q) The output of an AND gate is LOW ________.

  1. when any input is LOW
  2. all the time
  3. when all inputs are HIGH
  4. when any input is HIGH

Ans : when any input is LOW

(Q) Universal gate are_______

  1. AND
  2. OR
  3. EX-OR
  4. NAND

Ans : NAND

(Q) Transistor amplify the signal_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) When the plate area of a capacitor increases_______

  1. the capacitance increases
  2. the capacitance is unaffected
  3. the voltage it can withstand increases.
  4. the capacitance decreases

Ans : the capacitance increases

(Q) RESISTANCE Unit is_______

  1. OHM
  2. FARAD
  3. MICRO FARAD
  4. JOULE

Ans : OHM

(Q) The decimal code system used ten levels of voltage_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) (Ohm) is the Unit of ___________?

  1. Resistance (R)
  2. Inductive Reactance ( XL)
  3. Capacitive Reactance (Xc)
  4. All of the above

Ans : All of the above

(Q) Types of Capacitors are_______

  1. 1
  2. 3
  3. 2
  4. 4

Ans : 2

(Q) _______resolution is best for CRT monitor

  1. 800 x 1000
  2. 1366 x 784
  3. 1024 x 768
  4. 1086 x 724

Ans : 1024 x 768

(Q) Dual core 2Ghz cpu consist 775 pins_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) Memory that loses its contents when power is lost is_______

  1. static
  2. random
  3. nonvolatile
  4. volatile

Ans : volatile

(Q) VGA port are_______

  1. 16 pin
  2. 18 pin
  3. 15 pin
  4. 20 pin

Ans : 15 pin

(Q) DIMM is a_______

  1. Socket
  2. Slot
  3. Port
  4. N.A.

Ans : Slot

(Q) When installing PCI NICS you can check the IRQ availability by looking at_______

  1. dip switches
  2. CONFIG.SYS
  3. jumper settings
  4. motherboard BIOS

Ans : motherboard BIOS

(Q) DDR IS A_______

  1. HDD
  2. FDD
  3. CPU
  4. RAM

Ans : RAM

(Q) CCFL tube used in _______ monitor.

  1. CRT
  2. LED
  3. LCD
  4. N.A.

Ans : LCD

(Q) LGA and PGA socket are same_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : FALSE

(Q) CMOS Battery Voltage are_______

  1. - 3 volt'
  2. + 3 volt'
  3. +/- 3 volt'
  4. None of this

Ans : + 3 volt'

(Q) The terms 'red book', 'yellow book', and 'orange book' refer to_______

  1. SCSI
  2. ide
  3. floppy drive technology
  4. CD-ROM standards

Ans : CD-ROM standards

(Q) DIODE are_______

  1. TWO type
  2. THREE type
  3. FOUR type
  4. FIVE type

Ans : THREE type

(Q) A data conversion system may be used to interface a digital computer system to _________.

  1. An analog output device
  2. A digital output device
  3. An analog input device
  4. A digital printer

Ans : An analog output device

(Q) 223 on a capacitor represents_______

  1. 0.022u u
  2. 22n n
  3. 22,000 p p
  4. All of the above

Ans : 22,000 p p

(Q) PNP and NPN transistors are same in terms of working.

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : FALSE

(Q) The voltages in digital electronics are continuously variable.

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) capacitor is a_______

  1. Loss electrical energy
  2. Store electrical energy
  3. Both
  4. None of this

Ans : Store electrical energy

(Q) LED light works Forward bias.

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) Transistor amplify the signal.

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) Electrolytic capacitor used in_______

  1. AC Supply
  2. DC Supply
  3. Both
  4. None of this

Ans : DC Supply

(Q) In case of Short Circuit, ________ Current will flow in the Circuit.

  1. Zero
  2. Very Low
  3. Normal
  4. Infinite

Ans : Infinite

(Q) Full form of A.C. is_______

  1. Air Conditioner
  2. Air Conduct
  3. Alternative Current
  4. None of this

Ans : Alternative Current

(Q) Electrolytic condenser works only in_______

  1. AC supply
  2. DC supply
  3. AC DC both supply
  4. N.A.

Ans : DC supply

(Q) An IC regulator receives an overload; it will:

  1. Shut down
  2. Compensate for heat
  3. Provide more voltage
  4. Sample and adjust

Ans : Shut down

(Q) Capacitor unit is_______

  1. FARAD
  2. OHM
  3. JOULE
  4. MICRO FARAD

Ans : MICRO FARAD

(Q) IC stands for_______

  1. Information Center
  2. Iron Coil
  3. Integrated Circuit
  4. None of this

Ans : Integrated Circuit

(Q) 2.2 k resistance colour code is_______

  1. Red Red Orange
  2. Red Red Red
  3. Red Red Yellow
  4. Red Red Black

Ans : Red Red Red

(Q) if two resistor are placed in series ,is the final resistance_______

  1. Higher
  2. Lower
  3. Same
  4. N.A.

Ans : Higher

(Q) LED is_______

  1. CONDENSOR
  2. DIODE
  3. RESISTANCE
  4. COIL

Ans : DIODE

(Q) Brown Black Black Resistance colour code is_______

  1. 1000 Kilo ohm
  2. 100 ohm
  3. 10 ohm
  4. 100 Kilo ohm

Ans : 10 ohm

(Q) Any number with an exponent of zero is equal to:

  1. Zero
  2. One
  3. That number
  4. Ten

Ans : One

(Q) Binary base are_______

  1. 1
  2. 3
  3. 2
  4. 4

Ans : 2

(Q) 1 ma is equal to_______

  1. 0.001A
  2. 0.00001A
  3. 0.01A
  4. 0.01A

Ans : 0.001A

(Q) Battery output are_______

  1. dc
  2. Ac
  3. Both
  4. None of this

Ans : dc

(Q) Binary number are_______

  1. 0 & 1
  2. 0 & 3
  3. 0 & 6
  4. 0 & 8

Ans : 0 & 1

(Q) A 100n capacitor in parallel with 10n produces_______

  1. 90n
  2. 100n
  3. 110n
  4. 120n

Ans : 110n

(Q) The decimal code system used ten levels of voltage.

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) A CRO is a_______

  1. Cathode Ray Output
  2. Cathode Ray Oscilloscope
  3. Cathode Ray Outer
  4. N.A.

Ans : Cathode Ray Oscilloscope

(Q) A 10k resistor in parallel with 10k produces_______

  1. 10k
  2. 5k
  3. 20k
  4. 30k

Ans : 5k

(Q) A Dc voltage_______

  1. Rises and falls
  2. Is a sine wave
  3. Remain constant
  4. N.A.

Ans : Remain constant

(Q) In a diode schematic, the anode is represented by a(n):

  1. Triangle
  2. Vertical line
  3. Zig-zag line
  4. Element indicator

Ans : Triangle

(Q) ASCII stands for_______

  1. American Serial Communication Interface
  2. Additive Signal Coupling Interface
  3. American Standard Code for Information Interchange
  4. None of the above

Ans : American Standard Code for Information Interchange

(Q) Condenser store electrical energy_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) IC is a_______

  1. DIODE
  2. RESISTANCE
  3. CONDUCTOR
  4. SEMI CONDUCTOR

Ans : SEMI CONDUCTOR

(Q) (A.B) is a _______

  1. OR Gate output
  2. NAND Gate output
  3. AND Gate output
  4. None of this

Ans : AND Gate output

(Q) RS-232 is a standard that applies to:

  1. Serial ports
  2. Parallel ports
  3. Game ports
  4. Networks

Ans : Serial ports

(Q) NO DISPLAY BEEP SOUND CHECK IS THERE IN_______

  1. CPU
  2. RAM
  3. Mother board
  4. Hard disk

Ans : RAM

(Q) Missing slot covers on a computer can cause?

  1. Over heat
  2. Power surges
  3. EMI
  4. Incomplete path for ESD

Ans : Over heat

(Q) Mother Board stand by voltage is_______

  1. + 12volts
  2. + 3.3volts
  3. + 5volts
  4. - 5volts

Ans : + 5volts

(Q) Number of pins A.T SMPS power connector_______

  1. 20
  2. 24
  3. 28
  4. 12

Ans : 12

(Q) North Bridge used in_______

  1. Modem
  2. Mother Board
  3. Scanner
  4. None of this

Ans : Mother Board

(Q) Memory that loses its contents when power is lost is:

  1. Static
  2. Random
  3. Non-volatile
  4. Volatile

Ans : Volatile

(Q) On the PC side, the printer port is a:

  1. 25 pin female serial connector
  2. 15 pin female parallel connector
  3. 25 pin female parallel connector
  4. 15 pin female serial connector

Ans : 25 pin female parallel connector

(Q) RAM connected_______

  1. PCI Slot
  2. PCI Express Slot
  3. AGP Slot
  4. DIMM Slot

Ans : DIMM Slot

(Q) SMPS is a_______

  1. SYSTEM UNIT
  2. POWER UNIT
  3. BOTH
  4. None of this

Ans : None of this

(Q) Software removes from_______

  1. Delete folder
  2. Add or Remove Program
  3. Start Menu
  4. Regedit

Ans : Add or Remove Program

(Q) SMPS frequency are_______

  1. 15625 Hz
  2. 15625 Khz
  3. 15625 Mhz
  4. 15625 Ghz

Ans : 15625 Hz

(Q) SATA port used in_______

  1. Scanner
  2. Printer
  3. Mother board
  4. None of this

Ans : Mother board

(Q) LGA is a_______

  1. RAM SLOT
  2. CPU SOCKET
  3. GRAPHICS CARD SLOT
  4. None of this

Ans : CPU SOCKET

(Q) PS/2 Port used in_______

  1. Mother Board
  2. Monitor
  3. BOTH
  4. None of this

Ans : Mother Board

(Q) AC current frequency is_______

  1. Watt
  2. kilo watt
  3. Hz
  4. MHz

Ans : Hz

(Q) Flip Flop is a part of Digital Electronics_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) A simple flip-flop_______

  1. Is 2 bit memory
  2. Is 1 bit memory
  3. Is a four state device
  4. Has nothing to do with memory

Ans : Is 1 bit memory

(Q) Hz means_______

  1. Herzed
  2. Haze
  3. Huze
  4. Huze

Ans : Herzed

(Q) NAND is a Universal gate_______

  1. TRUE
  2. FALSE
  3. N.A.
  4. N.A.

Ans : TRUE

(Q) Emitter Base Collector used in_______

  1. Capacitor
  2. Diode
  3. Transistor
  4. None of this

Ans : Transistor