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Terms in this set (24)Know the two parts that make up storage systems in general. Storage Medium is a hardware where data is actually stored (DVD or flash memory card). this is inserted into its corresponding storage device( such as dvd drive and flashcard memory card reader) in order to read from or written to. Tracks (concentric rings) data is stored and recorded in these. they are circular and 1's and 0's are represented magnetically.
floppy drive A magnetic storage device that reads data from and writes data to a floppy disk, which is a metal disk (usually 3½ in.) inside a rigid plastic case. These are found mostly on older machines—few new ones have floppy drives. CLuster One or more sectors that constitute the smallest unit of space on a disk for storing data (also referred to as a file allocation unit). Files are written to a disk as groups of whole clusters. hard drive A storage device that stores digitally encoded data on rapidly rotating rigid disks with magnetic surfaces. The device is either permanently installed within the computer case or can be portable recordable Optical Discs (sometimes
called write-one discs) can be written to, but the discs cannot be erased and refused. sectors (small pieces of a track) - each track is divided into these.
cylinder The collection of tracks located in the same location on a set of hard disk surfaces. Magnetic Media These devices use moving read and write heads that contain electromagnets. On the surface of the storage medium, there are magnetic dots, that can be magnetically forced to face in one of two directions and depending on the direction that they are in, they represent either 0 (off) or 1 (on) Partitions function as independent hard drive and sometimes referred to as logical drives because each one is labeled and treated separately when viewed in a file management program (windows computers), but they are still physically one hard drive. •Partitions are used to create: -A
recovery partition Example of partition think of a house. if you have one c drive, you have 1 big room. but if you partition it, you'll have two big rooms in the house optical storage devices Devices that enable the computer to give the user the results of the processed data. optical drives -The optical drive must support the type of optical disc being used Optical Media Portable storage devices, such as CDs, DVDs, and Blu-ray discs, that use a laser to read and write data. burning The act of copying information onto a compact disc (CD) using hardware called a CD burner. Read only Optical Discs CD-ROM (compact disc read-only memory) disks and DVD-ROM (digital versatile disc read-only memory) discs are read-only optical discs that come prerecorded with commercial products, such as software programs, clip art, and other types of graphic collections, music, and movies. Rewritable Optical Discs can be written to, erased, and over written just like magnetic hard discs. the most common are CD-RW, DVD-RW(rewritable disc-->) , DVD+RW and BD-RE (rewritable blue ray disc) Flash memory a chip-based storage medium that represents data using electrons Embedded flash memory Flash memory chips embedded into products, such as consumer devices flash memory card a small card containing one or more flash memory chips, a controller chip, and metal contacts to connect the card to the device or reader being used. usb flash drives consist of flash memory media
integrated into a self-contained unit that plugs into a computer or other device via a USB port. and is powered by that port. network storage The use of a storage device that is accessed through a local network.` Cloud storage - is accessed via the Internet Sets found in the same folderChapter2 - The System Unit: Processing and Memory57 terms yejin_sim Chapter 4 Quiz26 terms amh259 The 7-Step Problem Solving Process11 terms jada_peters2 Understanding Computers Chapter 156 terms malique_fernander4 Other sets by this creatorEXAM 3158 terms jada_peters2 Subliminal Messages12 terms jada_peters2 Conspiracy Theories40 terms jada_peters2 Crypzoology21 terms jada_peters2 Verified questions
ENGINEERING (a) What are the direction indices for a vector that passes from point $\frac{1}{4} 0 \frac{1}{2}$ to point $\frac{3}{4} \frac{1}{2} \frac{1}{2}$ in a cubic unit cell? (b) Repeat part (a) for a monoclinic unit cell. Verified answer ENGINEERING
If the input to a linear system is δ(t) and the output is e⁻²ᵗu(t), the transfer function of the system is: (a) 1/s+2 (b) 1/s-2 (c) s/s+2 (d) s/s-2 (e) None of the above Verified answer
ENGINEERING Consider a steady, two-dimensional, incompressible flow of a newtonian fluid in which the velocity field is known: u = -2xy, υ = y² - x², w = 0. (a) Does this flow satisfy conservation of mass? (b) Find the pressure field, p(x, y) if the pressure at the point (x = 0, y = 0) is equal to $$ p_a $$ . Verified answer
ENGINEERING Air enters the compressor of an ideal cold air-standard Brayton cycle at 100 kPa, 300 K, with a mass flow rate of 6 kg/s. The compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. the thermal efficiency of the cycle. b. the back work ratio. c. the net power developed, in kW Verified answer Recommended textbook solutions
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Which of the following is an example of optical storage?These include CDs, DVDs, and Blu-ray discs.
Which of the following is an example of an optical storage device quizlet?A hard drive is an example. A storage device that uses laser beams to read the information stored on the reflective surface of a disc. Popular types of optical storage devices are CD-ROM and DVD-ROM drives.
What is not a optical storage device?The correct answer is option 2 i.e Magnetic tape.
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Which of these is an optical medium of storage Quizlet
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