Hard disk is coated in both side with A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Hard disk is coated in both side with A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above
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Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Description : Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Last Answer : Magnetic metallic oxide

Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Description : Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Last Answer : a. Magnetic metallic oxide

Hard disk is coated in both sides with A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Description : Hard disk is coated in both sides with A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Last Answer : Answer : A

Which statement is valid about magnetic tape? A) It is a plastic ribbon B) It is coated on both sides with iron oxide C) It can be erased and reused D) All of above

Description : Which statement is valid about magnetic tape? A) It is a plastic ribbon B) It is coated on both sides with iron oxide C) It can be erased and reused D) All of above

Last Answer : Answer : D

Which statement is valid about magnetic tape? a. It is a plastic ribbon b. It is coated on both sides with iron oxide c. It can be erased and reused d. All of above

Description : Which statement is valid about magnetic tape? a. It is a plastic ribbon b. It is coated on both sides with iron oxide c. It can be erased and reused d. All of above

Last Answer : It is a plastic ribbon

Which statement is valid about magnetic tape? a. It is a plastic ribbon b. It is coated on both sides with iron oxide c. It can be erased and reused d. All of above

Description : Which statement is valid about magnetic tape? a. It is a plastic ribbon b. It is coated on both sides with iron oxide c. It can be erased and reused d. All of above

Last Answer : a. It is a plastic ribbon

In mirrors the back surface is coated with a thin layer of (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Description : In mirrors the back surface is coated with a thin layer of (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Last Answer : (2) Silver Explanation: In a spherical mirror, one of the two curved surfaces is coated with a thin layer of silver followed by a coating of red lead oxide paint. Thus, one side of the spherical minor is opaque and the other side is a highly polished reflecting surface.

In mirrors the back surface is coated with a thin layer of : (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Description : In mirrors the back surface is coated with a thin layer of : (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Last Answer : Silver

Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of the above

Description : Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of the above

Last Answer : Answer : D

Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of above

Description : Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of above

Last Answer : Answer : D

Which of the following is an example of optical disk? A. Magnetic disk B. Memory disk C. Digital Versatile Disk D. None of the Above

Description : Which of the following is an example of optical disk? A. Magnetic disk B. Memory disk C. Digital Versatile Disk D. None of the Above

Last Answer : C. Digital Versatile Disk

Which of the following is an example of an optical disk? 1) Magnetic disks 2) Memory disks 3) Data bus disks 4) Digital versatile disks

Description : Which of the following is an example of an optical disk? 1) Magnetic disks 2) Memory disks 3) Data bus disks 4) Digital versatile disks

Last Answer : 4) Digital versatile disks

Which of the following is an example of an optical disk? 1 Magnetic disks 2 Memory disks 3 Data bus disks 4 Digital versatile disks

Description : Which of the following is an example of an optical disk? 1 Magnetic disks 2 Memory disks 3 Data bus disks 4 Digital versatile disks

Last Answer : 4 Digital versatile disks

Which of the items below are considered removable storage media? A) Removable hard disk cartridges B) (Magneto-optical) disk C) Flexible disks cartridges D) All of the above

Description : Which of the items below are considered removable storage media? A) Removable hard disk cartridges B) (Magneto-optical) disk C) Flexible disks cartridges D) All of the above

Last Answer : Answer : D

A DVD is an example of an: a) Hard Disk b) Optical Disk c) Output Device d) Solid - State Storage Device e) None of The Above

Description : A DVD is an example of an: a) Hard Disk b) Optical Disk c) Output Device d) Solid - State Storage Device e) None of The Above

Last Answer : d) Solid - State Storage Device

Which of the following is coated as a thin layer on the inner side of non-stick pans?

Description : Which of the following is coated as a thin layer on the inner side of non-stick pans?

Last Answer : Which of the following is coated as a thin layer on the inner side of non-stick pans? A. Bakelite B. PVC C. Teflon D. Polypropylene

Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Description : Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Last Answer : (B) Silver halide

Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise of conveyor belt system is reduced by using urethane coated cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)

Description : Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise ... cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Description : Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Last Answer : (B) Silver halide

The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Last Answer : Answer : B

A removable magnetic disk that holds information is __________ A. Floppy Disk B. Hard Drive C. Monitor D. None of the Above

Description : A removable magnetic disk that holds information is __________ A. Floppy Disk B. Hard Drive C. Monitor D. None of the Above

Last Answer : A. Floppy Disk

Which storage device is mounted on reels: a) Floppy Disk b) Hard Disk c) Magnetic Disk d) CD - ROM e) None of The Above

Description : Which storage device is mounted on reels: a) Floppy Disk b) Hard Disk c) Magnetic Disk d) CD - ROM e) None of The Above

Last Answer : c) Magnetic Disk

Which storage device is mounted on 'reels'? 1) Floppy Disk 2) Hard Disk 3) Magnetic Tapes 4) CDROM

Description : Which storage device is mounted on 'reels'? 1) Floppy Disk 2) Hard Disk 3) Magnetic Tapes 4) CDROM

Last Answer : 3) Magnetic Tapes

Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information - 1) Floppy diskette 2) Hard disk 3) Permanent disk 4) None of these

Description : Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information - 1) Floppy diskette 2) Hard disk 3) Permanent disk 4) None of these

Last Answer : 2) Hard disk

Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information - 1 Floppy diskette 2 Hard disk 3 Permanent disk 4 None of these

Description : Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information - 1 Floppy diskette 2 Hard disk 3 Permanent disk 4 None of these

Last Answer : 2 Hard disk

Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Last Answer : None of above

Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Last Answer : d. None of the above

Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above

Last Answer : d. None of above

Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above

Last Answer : d. None of the above

Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Description : Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Last Answer : d. All of the above

Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Description : Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Last Answer : d. All of the above

Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Description : Which of the it5ems below are considered removable storage media? a. Removable hard disk cartridges b. (Magneto-optical) disk c. Flexible disks cartridges d. All of the above

Last Answer : d. All of the above

The substance coated on plastic tape recorder tapes is (a) zinc oxide (b) magnesium oxide (c) iron sulphate (d) iron oxide

Description : The substance coated on plastic tape recorder tapes is (a) zinc oxide (b) magnesium oxide (c) iron sulphate (d) iron oxide

Last Answer : Ans:(d)

What is the latest write-once optical storage media? A) Digital paper B) Magneto-optical disk C) WORM disk D) CD-ROM disk

Description : What is the latest write-once optical storage media? A) Digital paper B) Magneto-optical disk C) WORM disk D) CD-ROM disk

Last Answer : Answer : D

A CD-RW disk- 1) Has a faster access than an internal disk 2) Is a form of optical disk, so it can only be written once 3) Holds less data than a floppy disk 4) Can be erased and rewritten

Description : A CD-RW disk- 1) Has a faster access than an internal disk 2) Is a form of optical disk, so it can only be written once 3) Holds less data than a floppy disk 4) Can be erased and rewritten

Last Answer : 4) Can be erased and rewritten

Which one of the following is an optical disk ? (1) Jaz disk (2) Super disk (3) Worm disk (4) Zip disk

Description : Which one of the following is an optical disk ? (1) Jaz disk (2) Super disk (3) Worm disk (4) Zip disk

Last Answer : Super disk

In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as: A. Electroplating B. Annealing C. Galvanization D. Vulcanization

Description : In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as: A. Electroplating B. Annealing C. Galvanization D. Vulcanization

Last Answer : ANSWER: C

In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as (a) electroplating (b) annealing (c) galvanization (d) vulcanization

Description : In order to prevent the corrosion of iron pipes, they are often coated with a layer of zinc. This process is termed as (a) electroplating (b) annealing (c) galvanization (d) vulcanization

Last Answer : Ans:(c)

Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber insulation coated with a layer of tin. D. Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Description : Which of the following statements best describes the material known as varnished cambric? A. Felted asbestos sealed with varnish. B. Cotton cloth coated with insulating varnish. C. Rubber ... Paper impregnated with mineral oil, specially wrapped with nonmetallic tape, and coated with varnish.

Last Answer : Answer: B

In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as------? A. Electroplating B. Annealing C. Galvanization (Answer) D. Vulcanization

Description : In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as------? A. Electroplating B. Annealing C. Galvanization (Answer) D. Vulcanization

Last Answer : C. Galvanization (Answer)

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Last Answer : Answer: Option B

Which of the following storage device can be used for storing large backup data? (a) Floppy disks (b) Hard disk (c) Magnetic tapes (d) None of these -Technology

Description : Which of the following storage device can be used for storing large backup data? (a) Floppy disks (b) Hard disk (c) Magnetic tapes (d) None of these -Technology

Last Answer : "B) Hard Disk.

Difference between hard disk and magnetic tape?

Description : Difference between hard disk and magnetic tape?

Last Answer : magnetic tapes are cheaper

Which of, the following isa storagedevice that uses rigid,permanently installed magnetic disks to store data/information– (A) floppy diskette (B) hard disk (C) permanent disk (D) opticaldisk (E) None of these

Description : Which of, the following isa storagedevice that uses rigid,permanently installed magnetic disks to store data/information– (A) floppy diskette (B) hard disk (C) permanent disk (D) opticaldisk (E) None of these

Last Answer : hard disk

In the actuator arm assembly of a hard disk drive transport, what device can position the magnetic heads to the correct track of a hard disk more accurately than a dc stepper motor?

Description : In the actuator arm assembly of a hard disk drive transport, what device can position the magnetic heads to the correct track of a hard disk more accurately than a dc stepper motor?

Last Answer : Voice coil servo.

The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Last Answer : b. Registers

The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Description : The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk

Last Answer : b. Registers

The depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Description : The depletion in Ozone layer is caused by - (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbons (4) Methane

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs), also known as Freon, cause the breakdown of the ozone layer that protects the earth from the sun's ultraviolet (UV) radiation. In the ... depletion in the upper atmosphere, CFCs have been phased out under the Montreal Protocol of 1987.

Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.