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Rotational frequency, also known as rotational speed or rate of rotation (symbols ν, lowercase Greek nu, and also n), is the frequency of rotation of an object around an axis. Its SI unit is the reciprocal seconds (s −1 ); other common units of measurement include the hertz (Hz), cycles per second (cps), and revolutions per minute (rpm).
At the top of the case is a fan controller. Fan control is the management of the rotational speed of an electric fan. In computers, various types of computer fans are used to provide adequate cooling, and different fan control mechanisms balance their cooling capacities and noise they generate. This is commonly accomplished by the motherboards ...
[specify] It allows for shorter access times because the rotation speed (angular velocity) does not need to be changed when the laser seeks across the disc, similarly to the magnetic head of a hard disk drive. With a given angular (rotation) speed, the linear speed at the outermost track is nearly 2.4 times as fast as that of the innermost track.
Released in 2000, the Dell Inspiron 4000 was a lightweight laptop that Dell branded as "Ultra-Thin & Light" and "Light as a feather, strong as an ox". Its starting price was $1,499. Equivalent models of the 4000 were the Dell Latitude C500, C510, and C600. Processor: Intel Pentium III @650, 700, 800 or 850 MHz, or an Intel Celeron @600 MHz.
1 / 60 Hz = 0.01 6 Hz. SI base units. 0.01 6 s −1. Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or r⋅min−1) is a unit of rotational speed (or rotational frequency) for rotating machines. One revolution per minute is equivalent to 1 60 hertz.
Rotating unbalance. Rotating unbalance is the uneven distribution of mass around an axis of rotation. A rotating mass, or rotor, is said to be out of balance when its center of mass (inertia axis) is out of alignment with the center of rotation (geometric axis). Unbalance causes a moment which gives the rotor a wobbling movement characteristic ...
Dell Inspiron. Inspiron (/ ˈɪnspɪrɒn / IN-spirr-on, formerly stylized as inspiron) is a line of consumer-oriented laptop computers, desktop computers and all-in-one computers sold by Dell. [1] The Inspiron range mainly competes against Acer 's Aspire; Asus 's Transformer Book Flip, VivoBook and Zenbook; HP 's Pavilion, Stream, and ENVY ...
The spindle motor speed can use one of two types of disk rotation methods: 1) constant linear velocity (CLV), used mainly in optical storage, varies the rotational speed of the optical disc depending upon the position of the head, and 2) constant angular velocity (CAV), used in HDDs, standard FDDs, a few optical disc systems, and vinyl audio ...