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Questions and Answers
The ______ Register (IR) stores instructions.
Instruction
The microcomputer’s system bus contains three (3) ______ that carry all the address, data, and control information involved in program execution.
buses
The ______ bus consists of a number of signals that are used to synchronize the operation of the individual microcomputer elements.
control
The ______ Counter contains the address of the instruction or operation code (op-code).
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The system clock signals, contained in the ______ bus, are signals that generate the appropriate clock periods during which instruction executions are carried out by the CPU.
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The ______ Address Register (MAR) contains the address of data.
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The von Neumann architecture uses a single ______ system with the same address and data buses for accessing both programs and data.
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The ______ Unit (ALU) performs all the data manipulations, such as arithmetic and logic operations, inside a CPU.
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The ______ unit is responsible for translating or decoding instructions and generating appropriate enable signals to accomplish the desired operation.
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The Harvard Architecture uses separate ______ and data memory units along with separate buses for instructions and data.
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The ______ can be considered as volatile storage for a number of bits.
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The CPU fetches the instruction from the program memory into the ______ register.
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A microcomputer typically consists of a microprocessor (CPU) chip, ______ and output chips, and memory chips in which programs are stored.
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A microprocessor is the CPU of a microcomputer contained in a single ______ and must be interfaced with memory and I/O chips in order to function.
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A microcontroller is implemented in a single ______ containing a CPU, memory, and IOP (I/O and peripherals).
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The ______ Processing Unit (CPU) executes all the instructions and performs arithmetic and logic operations on data.
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Read-Only Memory (ROM) is a type of memory that ______ its content when the power is turned off.
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Random Access Memory (RAM) is a type of memory that does not ______ its content when the power is turned off.
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