Description : Perforated paper used as input of output media is known as A) paper tapes B) magnetic tape C) punched papers tape D) card punch
Last Answer : Answer : A
Description : A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is a. Punched paper tape b. Chip card c. Card punch d. Magnetic tape
Last Answer : Punched paper tape
Description : perforated paper used as input of output media is known as a. paper tapes b. magnetic tape c. punched papers tape d. card punch
Last Answer : paper tapes
Last Answer : a. paper tapes
Last Answer : a. Punched paper tape
Description : A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is a. Punched paper tape b. Chip card c. Card punch
Description : A magnetic tape is a direct access storage device. -Technology
Last Answer : FalseIt is a non-volatile memory hence, it is not direcdy accessible by the CPU.
Description : The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as A) Magnetic core memory B) Magnetic tape memory C) Magnetic disk memory D) Magnetic bubble memory
Last Answer : Answer : D
Description : The magnetic storage chips used to provide non-volatile direct access storage of data and that have no moving parts are known as________ A. Magnetic core memory B. Magnetic tape memory C. Magnetic disk memory D. Magnetic bubble memory
Last Answer : D. Magnetic bubble memory
Description : The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as a. Magnetic core memory b. Magnetic tape memory c. Magnetic disk memory d. Magnetic bubble memory
Last Answer : a. Magnetic core memory
Last Answer : d. Magnetic bubble memory
Description : What method for erasing magnetic tape is much more effective and reliable than using a recorder’s erase head?
Last Answer : Using a magnetic tape degausser
Description : Which digital data tape encoding method presets the magnetic tape to all zeros and then records digital ones onto the tape?
Last Answer : Return-to-bias (RB) encoding.
Description : What is the use of Punched Cards and who made it?
Last Answer : In 1890, Herman Hollerith developed the first electro-mechanical punched card tabulator that could read information that had been punched into cards.
Description : Punched cards were first introduced by A) Powers B) Pascal C) Jacquard D) Herman Hollerith
Description : Who invented punched cards? A) Charles Babbage B) Dr. Herman Hollerith C) Howard Aikin D) Joseph Jacquard
Description : Who used punched cards practically for the first time in the history of computers? A) Charles Babbage B) Dr. Herman Hollerith C) Howard Aikin D) Joseph Jacquard
Last Answer : Answer : B
Description : Punched Cards were first introduced by: a) Herman Hollerith b) Jacquard c) Pascal d) Power Mobility e) None of These
Last Answer : a) Herman Hollerith
Description : Punched Cards were first introduced by: a) Powers b) Jacquard c) Pascal d) Herman Hollerith e) None of The Above
Last Answer : d) Herman Hollerith
Description : Punched cards were first introduced by- 1) Powers 2) Pascal 3) Jacquard 4) Herman Hollerith
Last Answer : 4) Herman Hollerith
Description : Punched cards were first introduced by 1 Powers 2 Pascal 3 Jacquard 4 Herman Hollerith
Last Answer : 4 Herman Hollerith
Description : What equipment should you use to de-magnetize a magnetic tape transport?
Last Answer : A hand-held degausser.
Description : Sometimes it's necessary, but why should you avoid using cotton swabs when cleaning a magnetic tape transport?
Last Answer : Cotton swabs are not lint free.
Description : . How do tape transports with differential velocity capstans maintain a constant tape tension in the area around the magnetic heads?
Last Answer : The supply capstan is slightly larger than the take-up capstan. This causes the take-up capstan to pull the tape slightly faster than the supply capstan feeds the tape.
Description : What are the four basic parts of a magnetic tape recorder's tape transport system?
Last Answer : a. Tape reeling system. b. Tape speed control system. c. Electronic subsystem. d. Basic enclosure.
Description : Why is it important to minimize TBE jitter in magnetic tape recordings where precise timing relationships exist between two or more signals?
Last Answer : The jitter could cause noise and a loss of accuracy.
Description : What number harmonic is the primary harmonic distortion in magnetic tape recorders?
Last Answer : Third-order harmonic.
Description : List four factors that can degrade the frequency response of magnetic tape recorders.
Last Answer : a. A too-high or too-low bias signal level setting for the record head. b. An improper reproduce head gap. c. An improper tape transport speed. d. Poor tape-to-head contact.
Description : What two types of record and reproduce electronics are used by magnetic tape recorders?
Last Answer : . a. Direct record (AM). b. Frequency modulation (FM).
Description : What two preventive maintenance actions must you do regularly to increase magnetic head life and to ensure good tape recording and playback?
Last Answer : a. Keep the heads clean. b. Keep the heads demagnetized.
Description : Magnetic tape recorders can have up to three different heads installed. What are the three functions performed by a recorder's heads?
Last Answer : Record, reproduce, and erase.
Description : What is the correct way to hold a magnetic tape reel?
Last Answer : Always hold reel by the hub, never by the flanges. Never touch the working tape surface.
Description : What are two disadvantages of using a recorder’s erase head to erase data recorded on a magnetic tape?
Last Answer : Using an erase head is slow, and it may not completely erase the tape.
Description : You notice steps in the tape pack such as those in figure 2-3. What causes this and how does it damage the magnetic tape?
Last Answer : Pack slip. It's caused by loosely wound tape on a reel that is exposed to excessive vibration or heat. The vibration or heat causes the tape to shift, causing steps in the tape pack. The uneven tape will then rub against the reel's sides and the recorder's tape guides.
Description : When the relative humidity is below 10%, what happens to magnetic tape and parts of a tape recorder that could cause environmental damage?
Last Answer : Dirt build-up caused by static electricity.
Description : Your activity stores its magnetic tape in an area where the temperature is 100º F. What two types of environmental damage could occur that would make these tapes unusable?
Last Answer : Head-to-tape sticking and layer-to-layer adhesion
Description : After using a tape that was stored in an area where temperatures exceeded 130º F you notice pieces of oxide sticking to the recorder's tape-transport mechanism, to its magnetic heads, and onto the tape. What is the probable cause of these symptoms?
Last Answer : Oxide shedding. At temperatures above 130º F, oxide coating becomes soft and sheds.
Description : Environmental damage to magnetic tape can occur when the tape is stored in an area that exceeds what ideal temperature and humidity ranges?
Last Answer : Ideally, use and store tape at 60 to 80º F and at 40 to 60% relative humidity.
Description : List four rules you should follow when storing magnetic tape to protect it from damage.
Last Answer : a. Make sure the tape is wound properly on the reel hub, b. store tapes vertically, c. keep storage area at right temperature and humidity, d. store away from equipment that generates stray magnetic fields.
Description : If magnetic tape is stored in areas with temperature and humidity extremes, what are three types of tape damage that may occur?
Last Answer : Oxide shedding, layer-to-layer sticking, and tape deformation.
Description : What are four types of tape errors that can degrade a magnetic recording system’s performance?
Last Answer : Signal dropout, noise, skew, and level. Dropout is the most common.
Description : What type of magnetic tape is used to record computer programs and data, and what are the additional thickness and quality standards for this type of tape?
Last Answer : digital magnetic tape is for computer programs and data. Its base material is about 50% thicker. The tape’s surface must not have blemishes or coating flaws because losing even one digital data bit could ruin the recorded computer program or data.
Description : Which of the two types of magnetic tape is used to record audio and instrumentation type signals in the VLF to 2.5MHz frequency range?
Last Answer : Analog magnetic tape.
Description : Why is plastic magnetic tape used more than metal tape?
Last Answer : Plastic tape is used more than metal because it’s more flexible, resists mildew and fungus, and is very stable at high temperatures and humidity.
Description : Magnetic tape is made of what three basic materials?
Last Answer : a. Base material. b. Coating of magnetic oxide particles. c. Glue that bonds the particles to the base.
Description : What are the major differences between magnetic tape units?
Last Answer : The speed at which the tape is moved past the read/write head and the density of the recorded information.
Description : What is the purpose of any magnetic tape unit?
Last Answer : To write data on or read data from a magnetic tape.