Description : Which technology is used in a CDROM Drive ? 1) Mechanical 2) Electromechanical 3) Optical 4) Fibre optical
Last Answer : 3) Optical
Description : What is the name given to a variety of rotary electromechanical, position sensing devices?
Last Answer : The synchro.
Description : Hard disk drive transports contain the electromechanical parts that perform what three functions?
Last Answer : a. Rotates the hard disk platters. b. Writes data to and reads data from the disk platters
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 : What special electromechanical effect is the basis for carbon microphone operation?
Last Answer : The changing resistance of carbon granules as pressure is applied to them.
Description : Mechanical computers are considered to be of what type?
Last Answer : Analog.
Description : What is the difference between an electronic and an electromechanical computer ?
Last Answer : Electronic computer 1. The computer that is invented depending on the electronic method is called electronic computer. 2. ENIAC is the first electronic computer. 3. Electronic computers were first invented ... amount of information can be contained. . Made up of a combination of different valves.
Description : Compare electromechanical switching system with electronic switching system.
Last Answer : Ans:
Description : A compact disc (CD) is a data storage system of the type : (1) Magnetic (2) Optical (3) Electrical (4) Electromechanical
Last Answer : Optical
Description : How does electrical degree differ from mechanical degree?
Last Answer : Mechanical degree is the unit for accounting the angle between two points based on their mechanical or physical placement. Electrical degree is used to account the angle between two points in rotating ... field. 180 electrical degree is accounted as the angle between adjacent North and South poles.
Description : How do the CX and CDX differ from the TX and TDX?
Last Answer : The CX and CDX have higher impedance windings
Description : How do the two types of monolithic IC construction differ?
Last Answer : Diffusion penetrates substrate; epitaxial does not
Description : How do monolithic ICs differ from film ICs?
Last Answer : Monolithic ICs contain active and passive elements. Film ICs contain only passive elements
Description : In what way do magnetic lines of force differ from electrostatic lines of force?
Last Answer : Electrostatic lines of force do not form closed loops
Description : How do FM record electronics differ from AM (direct record) electronics?
Last Answer : Instead of recording the signal just as it appears at the recorder’s input, FM record electronics records a frequency-modulated carrier signal from a record oscillator (figure 5-4) onto the magnetic tape
Description : How does a magnetic drum differ from a magnetic disk?
Last Answer : The tracks in which the data is stored are assigned to channels that form circular bands around the drum.
Description : What two characteristics of IC synchros cause them to differ from standard synchros?
Last Answer : Direction of rotation and amount of torque.
Description : How does the current-diode detector differ from the voltage-diode detector?
Last Answer : The current-diode detector is in parallel with the input and load.
Description : Using table 1-1, name two synchros that provide a mechanical output.
Last Answer : The torque receiver (TR) and the torque differential receiver (TDR).
Description : What are the three causes of mechanical drift in a gyro?
Last Answer : Unbalanced gyro, inertia of gimbals, bearing friction
Description : Generators convert mechanical motion to electrical energy using what principle?
Last Answer : Magnetic induction
Description : What is the term applied to the rate at which a mechanical or electrical force causes motion?
Last Answer : Power
Description : Computers built before the First Generation of computers were: A) Mechanical B) Electro-mechanical C) Electrical D) None of these
Last Answer : Answer : B
Description : Why ABC is considered electro-mechanical computer? A) Because it was invented before electronic computers were developed B) Because there are wheels, drums, bars to rotate and move to produce result C) Because they use the flow of electrons in different component D) None of above
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
Last Answer : Answer : C
Description : Computers built before the first generation of computer were: a) Mechanical b) Electro-mechanical c) Electrical d) Both 1 and 2 e) None of these
Last Answer : b) Electro-mechanical
Description : Computers built before the first Generation of computers were 1) Mechanical 2) Electro-mechanical 3) Electrical 4) None of these
Last Answer : 2) Electro-mechanical
Description : Computers built before the first Generation of computers were 1 Mechanical 2 Electro-mechanical 3 Electrical 4 None of these
Last Answer : 2 Electro-mechanical
Description : With early computers, the programmer had to translate instructions into what type of language form?
Last Answer : Machine.
Description : What is the great advantage of computers over typewriters?
Last Answer : Correcting errors.
Description : What type of computers are small and inexpensive yet provide a lot of computing power?
Last Answer : Microcomputers and minicomputers.
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 : 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 : 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 : 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 : Digital computers are generally used for what purposes?
Last Answer : Business and scientific data processing
Description : What are computers called that combine the functions of both analog and digital computers?
Last Answer : Hybrid computers.
Description : Early analog computers were what type of devices?
Last Answer : Mechanical or electromechanical.
Description : What are analog computers designed to measure?
Last Answer : Continuous electrical or physical conditions.
Description : All analog computers are what type of computers?
Last Answer : Special-purpose.
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 : The Navy uses analog computers primarily for what purpose?
Last Answer : Gun fire control
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.