# 4 Pics And A Knowledge

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Quizzes Created: 1 | Total Attempts: 678
Questions: 28 | Attempts: 678

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Guess the correct word(s) that describes the four pictures that are shown on your screen

• 1.

### Hint: 3 Words; Maintains the flying height constant as the head moves over the surface of the disk

Explanation
The air bearing surface refers to the part of a hard disk drive that maintains a constant flying height as the head moves over the disk's surface. This is achieved by creating a thin layer of air between the head and the disk, allowing the head to glide smoothly and maintain a consistent distance from the disk. This is crucial for the proper operation of the hard disk drive and ensures accurate reading and writing of data.

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• 2.

### Hint: 2 Words; It is the angle between the longitudinal axis and the horizontal plane

Explanation
The pitch angle refers to the angle between the longitudinal axis (imaginary line running from the front to the back of an object) and the horizontal plane. It is a measure of how much an object is tilted or inclined in relation to the ground.

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• 3.

### Hint: 2 Words; Also known as bank angle

Explanation
Roll angle, also known as bank angle, refers to the angle at which an aircraft tilts or rolls around its longitudinal axis. This angle is measured in degrees and indicates the amount of rotation or banking of the aircraft in relation to the horizon. A positive roll angle indicates a tilt to the right, while a negative roll angle indicates a tilt to the left. This parameter is important in aviation as it affects the stability, maneuverability, and control of the aircraft during turns and banking maneuvers.

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• 4.

Explanation
The term "Fly Height" or "Flying Height" refers to the distance between the disk and the read/write head in a hard disk drive. It is a critical parameter that determines the reliability and performance of the drive. The read/write head hovers just above the surface of the disk while it is spinning, and the fly height is the clearance between them. Maintaining an optimal fly height is crucial as a too low or too high fly height can result in data loss or reduced read/write performance.

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• 5.

### Hint:  2 Words; It is the pattern we put on the rowbars prior etching to form the ABS Design

Explanation
The correct answer is ABS Mask. ABS Mask refers to the pattern that is applied on the rowbars before etching in order to create the ABS Design. The ABS Mask acts as a protective layer, preventing the areas covered by the pattern from being etched away. This allows the desired ABS Design to be formed on the rowbars.

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• 6.

### Hint: It is the rate of change of its position with respect to a frame of reference, and is a function of time

Explanation
Velocity is a measure of the rate at which an object changes its position relative to a reference point over a certain period of time. It takes into account both the magnitude and direction of the change in position. In other words, velocity tells us how fast an object is moving and in which direction. It is a fundamental concept in physics and is often represented by the symbol "v". Velocity can be positive or negative, depending on whether the object is moving in the positive or negative direction relative to the reference point.

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• 7.

### Hint: A pressure created from an air flow coming from a height going to a deeper depth within the slider ABS surface

Explanation
Negative pressure refers to a situation where the pressure within a system or region is lower than the surrounding pressure. In the context of the given hint, it suggests that there is a pressure gradient created by an airflow moving from a higher point to a lower point within the slider ABS surface. This negative pressure can result in various effects, such as suction or pulling forces, which can be utilized in different applications like fluid dynamics, vacuum systems, or even medical procedures.

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• 8.

### Hint: A pressure created within the ABS surface when the air flow comes from a lower step then going to a higher step.

Explanation
Positive pressure refers to a situation where the pressure within a system or an object is higher than the pressure outside of it. In the context of the given hint, it suggests that there is a pressure created within the ABS surface when the airflow comes from a lower step and then goes to a higher step. This positive pressure can be beneficial in various applications, such as in ventilation systems or in preventing the entry of contaminants into a controlled environment.

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• 9.

### Hint: is a specific physical part of a hard disk that is responsible for reading data

Explanation
A read head is a specific physical part of a hard disk that is responsible for reading data. It is a component that moves across the surface of the disk and detects the magnetic changes that represent the stored data. The read head is crucial in retrieving information from the hard disk and transferring it to the computer's memory for processing. Without the read head, the data stored on the hard disk would not be accessible.

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• 10.

### Hint: a desired vertical force provided by the essential spring behavior of the suspension and the gimbal to push the slider towards the disk surface

Explanation
The term "Gram Load" refers to the weight or force applied to an object in grams. In the context of the given hint, it can be inferred that the "Gram Load" is the desired vertical force exerted on the slider towards the disk surface. This force is provided by the essential spring behavior of the suspension and the gimbal, which helps to maintain the proper contact between the slider and the disk surface.

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• 11.

### Hint: equals 1 / Tracks per Inch

Explanation
Track Pitch refers to the distance between two adjacent tracks on a storage medium, such as a hard disk drive or magnetic tape. It is typically measured in units of inches or millimeters. The given hint suggests that the track pitch is equal to 1 divided by the number of tracks per inch. Therefore, the correct answer is Track Pitch.

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• 12.

### Hint: Stores important information not frequently accessed for long periods of time

Explanation
Cold storage is a term used to describe a storage system that is designed to store important information that is not frequently accessed for long periods of time. This type of storage is typically used for data or files that are not needed on a regular basis but still need to be retained for future reference or compliance purposes. Cold storage is often utilized by businesses or organizations that have large amounts of data that they need to store but do not need to access on a regular basis. It is a cost-effective solution for long-term data retention.

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• 13.

### Hint: Length of the free layer starting from the ABS to K3

Explanation
The correct answer is Stripe Height. The term "Stripe Height" refers to the length of the free layer starting from the ABS (Air Bearing Surface) to K3. It is a measurement used in magnetic recording technology to determine the height of the magnetic stripe on a storage medium, such as a hard disk drive. The stripe height is an important factor in determining the storage capacity and performance of the drive.

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• 14.

### Hint: The layer where the magnetization is in a fixed direction that even if applied with a magnetic filed form the disk, it doesn't make the it rotate

Explanation
The pinned layer in a magnetic disk is a layer where the magnetization is fixed in a specific direction. This means that even if a magnetic field is applied to the disk, it does not cause the pinned layer to rotate or change its magnetization direction. The purpose of the pinned layer is to provide a reference direction for the other layers in the disk, allowing for the storage and retrieval of data.

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• 15.

### Hint: The layer where magnetization is free to rotate

Explanation
The term "Free Layer" refers to the layer in a magnetic device where the magnetization is free to rotate. This means that the magnetic moments in this layer can align themselves in any direction, allowing for easy manipulation and control of the magnetic properties. The free layer is typically used in devices such as magnetic sensors or magnetic storage devices, where the ability to change the magnetization direction is crucial for proper functioning.

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• 16.

### Hint: Divides the platter in to concentric rings composed of sectors

Explanation
The hint suggests that the correct answer divides the platter into concentric rings composed of sectors. The word "track" fits this description as it refers to the concentric rings on a hard disk drive or a vinyl record. In the context of a platter, a track is a circular path that stores data. Therefore, "track" is the appropriate answer based on the given hint.

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• 17.

### Hint: a method of recording wherein it aligns data bits horizontally in relation to the drive's spinning platter

Explanation
Longitudinal recording is a method of recording data on a storage device, such as a hard drive, where the data bits are aligned horizontally in relation to the spinning platter. This means that the magnetic fields representing the data are oriented parallel to the surface of the platter. This method allows for efficient storage of data in a linear fashion, increasing the storage capacity of the device.

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• 18.

### Hint: a method of recording data wherein it aligns the data bits vertically in relation to the drive's spinning platter

Explanation
Perpendicular recording is a method of recording data in which the data bits are aligned vertically in relation to the drive's spinning platter. This technique allows for higher data density and increased storage capacity compared to traditional longitudinal recording, where the bits are aligned horizontally. By aligning the bits vertically, the magnetic fields can be packed closer together, resulting in more efficient use of the available space on the storage medium. This advancement in recording technology has greatly contributed to the increase in storage capacity of modern hard drives.

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• 19.

### Hint: Foreign Material

Explanation
The hint provided suggests that the answer is related to foreign material or contamination. Contamination refers to the presence of unwanted or potentially harmful substances in an environment or a product. It can occur in various contexts such as food, water, air, or even in manufacturing processes. Contamination can have serious consequences, including health risks, product recalls, or environmental damage. Therefore, given the hint and the broad concept of contamination, it can be inferred that the correct answer is contamination.

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• 20.

### Hint: it is <90% of the track pitch

Explanation
Write width refers to the width of the data track that is written on a storage medium, such as a hard disk drive. The hint suggests that the write width is less than 90% of the track pitch. Track pitch refers to the distance between adjacent data tracks. Therefore, the correct answer, "Write Width," implies that the width of the data track being written is less than 90% of the distance between adjacent tracks.

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• 21.

• 22.

### Hint: The Main Pole profile produced between the Flare point and the Flare

Explanation
The Flare Angle refers to the angle formed between the Flare point and the Flare in the Main Pole profile. It represents the degree of widening or expansion of the Main Pole towards the top. A larger Flare Angle indicates a more significant widening, while a smaller Flare Angle suggests a more gradual expansion. The Flare Angle is an important factor to consider in architectural and structural design as it affects the stability, aesthetics, and overall functionality of the Main Pole.

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• 23.

### Hint: Connected magnetically to the Laminated Shield

Explanation
The side shield is connected magnetically to the laminated shield. This suggests that the side shield is a component or part of a larger system that includes the laminated shield. The magnetic connection between the two shields implies that they work together to provide protection or shielding against something, possibly electromagnetic interference or radiation. Without more context, it is difficult to determine the specific purpose or function of the side shield, but it is clear that it is connected to the laminated shield in some way.

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• 24.

• 25.

• 26.

### Hint: the width of a microtrack profile at half of maximum amplitude

Explanation
The magnetic read width refers to the width of a microtrack profile at half of its maximum amplitude. It is a measure of the accuracy and precision with which a magnetic storage device can read data from a track. A wider magnetic read width indicates a larger margin for error and can result in a higher probability of data corruption or loss. Therefore, a narrower magnetic read width is desirable as it allows for more precise data reading and reduces the risk of errors.

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• 27.

• 28.

### Hint: 2 Words

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Aug 02, 2017
Quiz Created by
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