Description : Early analog computers were what type of devices?
Last Answer : Mechanical or electromechanical.
Description : What is the fundamental difference between analog and digital computers?
Last Answer : Digital computers deal with discrete quantities, while analog computers deal with continuous physical variables.
Description : What are computers called that combine the functions of both analog and digital computers?
Last Answer : Hybrid computers.
Description : What are analog computers designed to measure?
Last Answer : Continuous electrical or physical conditions.
Description : The Navy uses analog computers primarily for what purpose?
Last Answer : Gun fire control
Description : What type of modulation do most analog fiber optic communications systems use?
Last Answer : Intensity modulation.
Description : Why are LEDs preferred over laser diodes for low- and moderate-frequency analog applications?
Last Answer : LEDs require less complex circuitry than lasers.
Description : Which performance parameter is the minimum amount of optical power required to achieve a specific bit-error rate (BER) in digital systems or a given signal-to-noise ratio (SNR) in analog systems?
Last Answer : Receiver sensitivity.
Description : How is the accuracy of an analog computer restricted?
Last Answer : By the accuracy with which physical quantities can be sensed and displayed.
Description : Why has the transmission of video using analog techniques been very popular, especially for shorter distances?
Last Answer : Because cost can be minimized and complex multiplexing and timing equipment is unnecessary.
Description : What is an analog signal?
Last Answer : A continuous signal that varies in a direct proportion to the instantaneous value of a physical
Description : What, if any, noise susceptibility advantage exists for pulse-amplitude modulation over analog amplitude modulation?
Last Answer : Both are susceptible to noise and interference
Last Answer : : A combination of analog and digital computers - hybrid computers.
Description : Which of the following is not the classification of computers based on application? A) Electronic Computers B) Analog Computers C) Digital Computers D) Hybrid Computers
Last Answer : Answer : A
Description : Which of the following class of computers can process physical quantities such as speed? A) Analog Computers B) Digital Computers C) Hybrid Computers D) None of above
Description : The computer that can input analog signals and return result in digital form A) Analog Computers B) Digital Computers C) Hybrid Computers D) Mainframe Computers
Last Answer : Answer : C
Description : What are the computers called that performs calculations and comparisons usually in the binary numbering system? A) Analog Computers B) Digital Computers C) Hybrid Computers D) None of above
Last Answer : Answer : B
Description : Which of the following is a class of computers based on model? A) Digital Computer B) Hybrid Computers C) Analog Computers D) AT Computers
Last Answer : Answer : D
Description : On which aspect the analog computers are better than digital? A) Speed B) Accuracy C) Reliability D) Automatic
Description : Which of the following statement is false? A) Mechanical analog computers have existed for thousands of years B) There are mechanical analog computers and electronic analog computers. C) All electronic computers are digital computers D) All of above are false
Description : A hybrid computer is the one having combined properties of ________ (A) Micro & Mini computers (B) Mini & Super Computers (C) Mainframe & Super Computers (D) Analog & Digital computers
Last Answer : (D) Analog & Digital computers
Description : Differentiate between analog and digital computers
Last Answer : Analog computer: Analog computers represent and process data by measuring quantities such as voltage and current to solve a problem. They work on supply of continuous signals as input. ... memory capacity. They are being used in business, education, health, supermarkets & banking.
Description : Computers cannot communicate with each other directly over telephone lines because they usedigitalpulses whereas telephone lines useanalog sound frequencies. What is the name of the device which permits digital to analog ... A. Interface B. Modem C. Attenuation D. Teleprocessor E. None of the above
Last Answer : Modem
Description : The piece of hardware that converts your computers digital signal to an analog signal that can travel over telephone lines is called a: a) Red Wire b) Blue Cord c) Tower d) Modem e) None of These
Last Answer : d) Modem
Last Answer : Digital computers are more widely used as compared to analog computers, because they are useful over wider ranges of problem types.
Description : With early computers, the programmer had to translate instructions into what type of language form?
Last Answer : Machine.
Description : What type of computers are small and inexpensive yet provide a lot of computing power?
Last Answer : Microcomputers and minicomputers.
Description : The software (computer program) used on first generation computers was what type?
Last Answer : Unsophisticated and machine oriented.
Description : Mechanical computers are considered to be of what type?
Last Answer : Analog.
Description : What is the great advantage of computers over typewriters?
Last Answer : Correcting errors.
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 : In first generation computers, internal processing functions were measured by what division of time?
Last Answer : Thousandths of a second (millisecond).
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 : What were computers of the first generation characterized by?
Last Answer : The vacuum tube.
Description : Digital computers are generally used for what purposes?
Last Answer : Business and scientific data processing
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 : In electronic computers, vacuum tubes were replaced by transistors and transistors have been replaced by what device?
Last Answer : Integrated circuits.
Description : How do electromechanical computers differ from the mechanical computers?
Last Answer : Electromechanical computers use electrical components to perform some of the calculations.
Description : How are computers classified?
Last Answer : Technology (mechanical, electromechanical, electronic), purpose (special or general), type of data they handle (analog or digital), cost, physical size (handheld to room size)
Description : When computers use the cylinder method to store data on a hard disk pack, what three items make up the address that tells the computer where on a specific disk to store the data?
Last Answer : . a. Cylinder number. b. Recording surface number.
Description : Any system composed of one or more computers and terminals can be defined as what?
Last Answer : A network.
Description : What is another name for computers designed to be character-oriented or character-addressable?
Last Answer : Variable-word-length or byte-addressable.
Description : What area in the computer's primary storage area holds the processing instructions (the program)?
Last Answer : Program storage area.
Description : What were the first computers designed to manipulate in order to solve arithmetic problems?
Last Answer : Numbers.
Description : Is the best type of meat thermometer digital or analog?
Last Answer : Both are perfectly acceptable. A digital thermometer may measure to a tenth of a degree, but this is of no importance when cooking meat. What matters is that the meat gets to the necessary ... the meat during cooking, because the electronics and cases of digital thermometers can't take the heat.
Description : Signals can be analog or digital and a computer that processes the both type of signals is known as A) Analog computer B) Digital Computer C) Hybrid Computer D) Mainframe Computer
Description : Prior to using an analog type ohmmeter, the leads are purposely shorted together. Which of the following actions should be taken if, when adjusting to 'zero' ohms, the indicating needle can not be ... be added to each final reading. D. The test reading should be subtracted from each final reading.
Last Answer : Answer: B