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Sala común de la asignatura Tecnología de Computadores. Plan 2023 (2024-25, Grado en Ing del Software, Informática, de Computadores y Doble Grado Matemáticas + Informática, Todos los grupos)
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Given the following 16 bits instrucion format with two types.
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Opc (3 bits)
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Operand1 (4 bits)
Register direct
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Operand2 (9 bits)
Direct to memory
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Type1:
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Opc (3 bits)
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Operand1 (9 bits) Relative
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Operand2 (4 bits)
Register direct
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Register
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Offset
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Type2:
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The memory is addressed on word level, where each word has 16 bits . Give (in number of bytes) the size of the memory that can be addressed by direct addressing mode to memory. The answer should be a decimal number (e.g. 254)
Given the following instruction format of 16 bits with two types of instructions.
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Opc (3 bits)
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Operand1 (4 bits)
Register direct
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Operand2 (9 bits)
Direct to memory
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Type1:
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Opc (3 bits)
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Operand1 (9 bits) Relative
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Operand2 (4 bits)
Register direct
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Register
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Offset
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Type2:
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Give the maximum number of instructions that can be handled by this format.