MAR holds the memory location of data that needs to be accessed.
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MDR
is the register in a computer's processor, or central processing unit,
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accumulator
An accumulator is a register for short-term, intermediate storage of arithmetic and logic data in a computer's CPU
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ALU
An ALU is a digital circuit used to perform arithmetic and logic operations.
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CU
is a component of a computer's central processing unit (CPU) that directs the operation of the processor
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clock speed
Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second).
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optical storage
is a device that uses the photons in visible light or infrared ( IR ) beams,rather than electric current, to perform digital computations.
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magnetic storage
storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors. Hard disks, zip disks and floppy disks are common examples of magnetic
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solid state
Employed in myriad products, including mobile devices, iPods, cameras, laptops and desktop computers, solid state drives (SSDs) are faster than hard disks because there is zero latency (no read/write head to move).
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Other cards in this set
Card 2
Front
is the register in a computer's processor, or central processing unit,
Back
MDR
Card 3
Front
An accumulator is a register for short-term, intermediate storage of arithmetic and logic data in a computer's CPU
Back
Card 4
Front
An ALU is a digital circuit used to perform arithmetic and logic operations.
Back
Card 5
Front
is a component of a computer's central processing unit (CPU) that directs the operation of the processor
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