Description : Which of the following was used as circuitry for first generation of computers? (1) Vacuum tube (2) Transistors (3) Integrated circuits (4) Microprocessors
Last Answer : Vacuum tube
Description : First Generation computers used ______ for Circuitry and ________ for memory (A) Transistor and Magnetic Core (B) IC and Magnetic Memory (C) Vacuum tubes and Magnetic drum (D) IC and Magnetic Core
Last Answer : (C) Vacuum tubes and Magnetic drum
Description : Circuits that can be interconnected without additional circuitry are known as ____________ circuits.
Last Answer : Compatible.
Description : Error-rate damping is effective because the circuitry has the capability of ______________the amount of overshoot before it happens.
Last Answer : Anticipating
Description : Is the drive circuitry generally more complex for an LED or a laser diode? Why?
Last Answer : For a laser diode. The laser diode transmitter generally contains output power control circuitry and may contain a TE cooler and some circuitry associated with the TE cooler.
Description : What part of a floppy disk drive transport contains the circuitry which controls the electromechanical parts of the transport?
Last Answer : Drive electronics circuit board.
Description : The FET and the vacuum tube have what in common?
Last Answer : Voltage controls conduction.
Description : When designing vacuum-tube circuits, what characteristics of tubes must be taken into consideration?
Last Answer : Differences in performance of tubes of the same type
Description : What discovery proved to be the foundation for the development of the vacuum tube?
Last Answer : The Edison Effect.
Description : Name two functions of the base of a vacuum tube.
Last Answer : It serves as a mounting for the tube elements and as the terminal connectio
Description : On the diagram below, name the elements of the vacuum tube and their potentials relative to dc ground. time is an example of what type of transmission?
Last Answer : a. Plate, positive. b. Suppressor grid, negative.
Description : Why do electrons cross the gap in a vacuum tube?
Last Answer : because the negatively charged electrons are attracted to the positively cha
Description : The Third Generation Computer was made with . A) Vacuum Tube B) Discrete Components C) IC D) Bio Chips
Last Answer : Answer : C
Description : The large surface area of a waveguide greatly reduces what type of loss that is common in two-wire and coaxial lines?
Last Answer : Copper loss.
Description : In second generation computers, how was the storage capacity greatly increased?
Last Answer : With the introduction of magnetic disk storage and the use of
Description : Motor controllers are seldom troubled by grounds because ________________. A. cabinet heaters always keep internal components dry B. special insulation is used on wire for vital circuits C. ... on controller panels greatly reduce vibration D. contactors and relays are mounted on nonconducting panels
Last Answer : Answer: D
Description : In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when (A) Saturated feed is not used (B) An azeotrope forms (C) The latent ... vaporisation of the more and less volatile components are greatly different (D) A total condenser is used
Last Answer : (D) A total condenser is used
Description : Pick out the wrong statement. (A) Critical moisture content is not a property of the material itself (B) A sharp increase in pressure drop gives an indication of the flooding in a ... unity (D) Dehydration of ethyl alcohol is most economically done by molecular distillation at very high vacuum
Last Answer : (D) Dehydration of ethyl alcohol is most economically done by molecular distillation at very high vacuum
Description : What compone What components What components can be used to increase the high frequency response of an amplifier?
Last Answer : Peaking coils.
Description : The end of the usefulness of a tr tube is indicated by an increase in what quantity?
Last Answer : Recovery time.
Description : As the tube filaments in the load heat up, will the circuit current increase or decrease?
Last Answer : Decrease.
Description : Moving tube electrodes apart to decrease interelectrode capacitance causes an increase in the effect of what property?
Last Answer : Transit time
Description : A patient who has had a previous stroke and is taking warfarin tells the nurse that he started taking garlic to help reduce his blood pressure. The nurse knows that garlic when taken ... headaches. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.
Last Answer : a) can greatly increase the international normalization ratio (INR) and therefore increase the risk of bleeding. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.
Description : What type of desktop computer does not contain a tower and instead uses the same case to house the display and the processing circuitry?
Last Answer : And All-in-one.
Description : The earth-wire of a cable is connected to – (1) the outer metallic body of the appliance (2) the fuse of the appliance (3) the filament of the appliance (4) short circuitry of the appliance
Last Answer : (2) the fuse of the appliance Explanation: Earth wire prevents Electric shocks. It is connected to the electrical cable of an appliance to prevent electric shocks. Actually it has very low resistance and allows current to pass through it easily.
Description : If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller circuitry illustrated? EL-0011 A. 110 volts DC B. 110 volts AC C. 220 volts DC D. 220 volts AC
Description : The symbol at coordinates '15R' in the illustration indicate a connection to ___________. EL-0100 A. the analog circuitry common bus B. ground C. the vessel's hull D. the console's chassis
Last Answer : Answer: A
Description : The symbol at coordinates '11R' in the illustration indicate a connection to _____________. EL-0100 A. ground B. the console chassis C. the digital circuitry common bus D. earth through the vessel's hull
Last Answer : Answer: C
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
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 : As a general rule, the first troubleshooting action to be taken in checking faulty electric control devices is to _____________. A. draw a one line diagram of the circuitry B. test all fuses and measure the line voltage C. take megger readings D. insulate the apparatus from ground
Description : Strong interference from one particular station can be eliminated by the use of A. noise limiters B. squelch circuits C. negative feedback D. wave traps in the antenna circuitry
Last Answer : D. wave traps in the antenna circuitry
Description : How is the inverter circuit classified based on commutation circuitry?
Last Answer : a. Line commutated inverters. b. Load commutated inverters. c. Self commutated inverters. d. Forced commutated inverters.
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? a) sensor b) controller c) arm d) end effector
Last Answer : b) controller
Description : Which of the basic parts of a robot unit would include the computer circuitry that could be programmed to determine what the robot would do? A : Sensor B : Controller C : Arm D : End effector
Last Answer : B : Controller
Description : Which amplifier will be preferred for highest gain? A) Darlington's pair B) Cascade amplifier C) Cascode amplifier D) Depends on the circuitry
Last Answer : C) Cascode amplifier
Description : Which numbering format is the basis for digital electronic circuitry? 76) A) decimal B) BCD C) octal D) binary
Last Answer : D) binary
Description : The chief reason why digital computers use complemented subtraction is that it (A) Simplifies the circuitry. (B) Is a very simple process. (C) Can handle negative numbers easily. (D) Avoids direct subtraction.
Last Answer : Ans: C Using complement method negative numbers can also be subtracted.
Description : Explain In Brief The Control And Timing Circuitry Of The 8085.?
Last Answer : Answer :The timing and control circuitry section of the 8085 is responsible for the generation of timing and control signals so that instructions can be executed. The types of signals involved ... of control signals for the executions of instructions and for the sync between external devices.
Description : .............. is a type of memory circuitry that holds the computer’s start-up routine. (A) RIM (Read Initial Memory) (B) RAM (Random Access Memory) (C) ROM (Read Only Memory) (D) Cache Memory
Last Answer : (C) ROM (Read Only Memory)
Description : The earth-wire of a cable is connected to (1) the outer metallic body of the appliance (2) the fuse of the appliance (3) the filament of the appliance (4) short circuitry of the appliance
Last Answer : the fuse of the appliance
Description : Without any additional circuitry, an 8:1 MUX can be used to obtain: (1) Some but not all Boolean functions of 3 variables (2) All function of 3 variables but none of 4 variables (3) All functions of 3 variables and some but not all of 4 variables (4) All functions of 4 variables
Last Answer : A
Description : How did vacuum tubes cause a problem for first generation computers
Last Answer : They were unreliable, required a lot of power to run, and produced so much heat that air conditioning was needed to protect computer parts.
Description : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?
Last Answer : Integrated circuits.
Description : Vacuum tubes are designed to operate in what portion of the Ep - Ip
Last Answer : The linear portion.
Description : Which of the following represents the accepted method of cleaning dust and foreign particles from electrical equipment while limiting damage to electric components? A. Carefully wiping off the components ... the components. D. Using carbon tetrachloride as a cleaning solvent to clean the components.
Description : What was the name of the first vacuum tube invented by Lee de Forrest in 1906 ?
Last Answer : The first vacuum tube invented by Lee de Forrest in 1906 was called Audion.
Description : Who invented the first vacuum tube ?
Last Answer : Edison was the first to invent a vacuum tube.
Description : What does a vacuum tube do ?
Last Answer : The vacuum tube acts as a rectifier
Description : The purpose of vacuum tube was to NOT act like A) an amplifier B) a switch C) a router D) None of above