Description : Which of the following is not a feature of first generation computers A) They used vacuum tubes or valves as main electronic component B) They consumed lots of electricity and produced excessive heat C) They used machine language and assembly language to program the machine D) None of above
Last Answer : Answer : C
Description : First generation computers used for memory A) vacuum tubes B) silicon chips C) magnetic drum D) RAM
Description : The main electronic component used in first generation computers was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above
Last Answer : Answer : B
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 : Fifth generation computers do not have : (1) Speech recognition (2) Artificial intelligence (3) Very large scale integration (4) Vacuum tubes
Last Answer : Vacuum tubes
Description : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?
Last Answer : Integrated circuits.
Description : Chief component of first generation computer was A) Transistors B) Vacuum Tubes and Valves C) Integrated Circuits D) None of above
Description : Chief component of first generation computer was a. Transistors b. Vacuum Tubes and Valves c. Integrated Circuits d. None of above
Last Answer : Vacuum Tubes and Valves
Description : First generation computer systems used 1) Transistors 2) Vacuum tubes 3) Magnetic cores 4) Silicon chips
Last Answer : 2) Vacuum tubes
Description : Which electronic component was use in first generation? 1) Vacuum tubes 2) transistors 3) IC chips 4) all above
Last Answer : 1) Vacuum tubes
Description : Which electronic component was use in first generation? 1 Vacuum tubes 2 transistors 3 IC chips 4 all above
Last Answer : 1 Vacuum tubes
Last Answer : b. Vacuum Tubes and Valves
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 : Vacuum tubes are designed to operate in what portion of the Ep - Ip
Last Answer : The linear portion.
Description : This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.
Last Answer : (iv) Transistor.
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 : Fourth Generation computers were based on _______ (A) IC (B) Vacuum tube (C) transistor (D) Microprocessors
Last Answer : (D) Microprocessors
Description : Third Generation computers were based on _______ (A) IC (B) Vacuum tube (C) transistor (D) None of the Above
Last Answer : (A) IC
Description : Second Generation computers were based on _______ (A) IC (B) Vacuum tube (C) transistor (D) None of the Above
Last Answer : (C) transistor
Description : The software (computer program) used on first generation computers was what type?
Last Answer : Unsophisticated and machine oriented.
Description : In first generation computers, internal processing functions were measured by what division of time?
Last Answer : Thousandths of a second (millisecond).
Description : What were computers of the first generation characterized by?
Last Answer : The vacuum tube.
Description : On third generation computers, what results are gained by faster internal processing speeds?
Last Answer : Faster execution of instructions.
Description : What do the smaller circuits in third generation computers allow for?
Last Answer : Faster internal processing speeds.
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 : How were processing speed and reliability increased in second generation computers?
Last Answer : By the use of small, long lasting transistors.
Description : Does anybody make vacuum tubes anymore? All I ever find are surplus.
Last Answer : answer:Without details as to type, there are over 39,000 currently listed on eBay. I’d say they’re still manufactured since there’s also availability on Amazon.
Description : Why vacuum tubes are not preferred at microwave?
Last Answer : Actually three special purpose vacuum tubes were specifically designed for microwave usage and are in some cases still the least expensive way to work with high power microwave signals.These ... and the electromagnetic compatibility (EMC) testing industry for immunity testing of electronic devices)
Description : Which electronic component was made out of semiconductor material? A) Vacuum tubes B) Transistors C) ICs D) All of above
Description : Who invented vacuum tubes? A) John Bardeen B) William Shockley C) Lee de Forest D) All of above
Description : What was the main disadvantage of vacuum tubes? A) They were larger in size B) They consumed a lot of electricity C) They produced heat and often burned out D) The operation cost was high
Description : Why are vacuum tubes also called valves? A) Because they can amplify the weak signals and make them strong B) Because they can stop or allow the flow of current C) Both of above D) None of above
Description : Which of the following statements comparing transistors and vacuum tubes is correct? A. Both transistors and vacuum tubes have a cathode that must be heated to give off electrons. B. A vacuum tube must ... flow. D. The anode of both transistors and vacuum tubes must be heated to give off electrons.
Last Answer : Answer: B
Description : Heat sinks are frequently used with _____________. A. power transistors B. vacuum tubes C. tunnel rectifier diodes D. all of the above
Last Answer : Answer: A
Description : The method used to produce electron emission in most vacuum tubes is known as ____________. A. photoelectric emission B. secondary electric emission C. cold cathodic electric emission D. thermionic emission
Last Answer : Answer: D
Description : The HPAs in most satellite are A. TWTs B. Klystrons C. Vacuum tubes D. Magnetrons
Last Answer : A. TWTs
Description : Vacuum tubes have been replaced by-----? A. Conductors B. Diodes C. Transistors (Answer) D. None of these
Last Answer : C. Transistors (Answer)
Description : Pick out the wrong statement. (A) The value of hydrostatic head increases with increase in vacuum in the effect in a multiple effect evaporator system (B) Entering velocity of the liquid in ... a multiple effect evaporation system, the number of effects is limited by the total boiling point rise
Last Answer : (C) Duhring's plot is used for calculating the concentration of solution
Description : is Ohms law applicable to vacuum tubes?
Last Answer : Ohm's law is not applicable to vacuum tubes.
Description : Cold-cathode tubes can be used as voltage regulators because of what characteristic?
Last Answer : They have the ability to maintain a constant voltage drop across the tube despite changes in current flow.
Description : Once ionization has occurred in a thyratron, what control does the control grid have over the tube’s operation?
Last Answer : None.
Description : What are two advantages that gas-filled tubes have over conventional electron tubes?
Last Answer : a. They can carry more current. b. They maintain a constant IR drop across the tube
Description : Why can acorn and doorknob tubes NOT handle large amounts of power?
Last Answer : The close spacing of tube elements allows for the ready formation of arcs or short circuits.
Description : How do uhf tubes counter the effects of transit time?
Last Answer : By reducing the spacing between tube elements.
Description : Beam-forming tubes and power tubes are similar except that power pentodes lack what element?
Last Answer : Beam-forming plates.
Description : During which of the transmit or receive cycles are both the tr and atr tubes of a parallelconnected duplexer ionized (arcing)?
Last Answer : Transmit.
Description : Normally, how are high-power rf tubes tested?
Last Answer : In their circuit.
Description : Rather than using a stored program, a special-purpose computer's applicability to a particular problem is a function of what?
Last Answer : Its design
Description : The Third Generation Computer was made with . A) Vacuum Tube B) Discrete Components C) IC D) Bio Chips