Computer Organization and Architecture

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The _________ controls the I/O devices and transfer of data to and from the primary storage.

• LU

• AU

• ALU

• CU

____________ enables the processor to access data quickly whenever they are needed.

• CU

• Cache

• Memory

• Register

The set of wires, which carry information in a controlled manner, is called

• System bus

• Public bus

• Private bus

• None of these

The ALU works on the instructions and data held in the _______________

• Notebook

• Registers

• Copy Pad

• I/O devices

The fastest memory in the computer system is _____________

• ROM

• RAM

• Cache

• None of these

A register that keeps track of the next instruction to be executed is called a _____________

• Program Counter

• Instruction Register

• Accumulator

• Data Register

A processor only operates on binary data, that is, data composed of 1s and 0s.

• True

• False

The address bus informs the CPU about the location of of the data residing in the memory.

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The L2 cache is usually 64KB - 2MB in size.

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