1. What is the largest unsigned integer value (decimal) that can be stored in this computer? 2. Signed integers are represented in 2's complement form. What are the largest positive and negative signed integer values (decimal) that can be stored in this computer? 3. What is the maximum memory size (in Bytes) that this computer can have?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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A computer system has a 16-bit word size. Each machine language instruction or each datum has to fit in
16 bits. This computer has a single data16-bit register. Each instruction consists of two fields: opcode and
12 bits for the address of a single operand in memory. Use this information to answer the following
questions. You may use powers of two in your answers (224, for example).
1. What is the largest unsigned integer value (decimal) that can be stored in this computer?
2. Signed integers are represented in 2's complement form. What are the largest positive and negative
signed integer values (decimal) that can be stored in this computer?
3. What is the maximum memory size (in Bytes) that this computer can have?
4. How many distinct opcodes does this computer allow in its instruction set?
5. If we want to upgrade this computer to support up to 32 distinct opcodes. The computer's word size and
the number of registers must remain the same. If you need to make changes to this design to
accommodate this upgrade, describe what they would be. Include in your answer any consequences that
might affect your answers to questions (1-4) above.
Transcribed Image Text:A computer system has a 16-bit word size. Each machine language instruction or each datum has to fit in 16 bits. This computer has a single data16-bit register. Each instruction consists of two fields: opcode and 12 bits for the address of a single operand in memory. Use this information to answer the following questions. You may use powers of two in your answers (224, for example). 1. What is the largest unsigned integer value (decimal) that can be stored in this computer? 2. Signed integers are represented in 2's complement form. What are the largest positive and negative signed integer values (decimal) that can be stored in this computer? 3. What is the maximum memory size (in Bytes) that this computer can have? 4. How many distinct opcodes does this computer allow in its instruction set? 5. If we want to upgrade this computer to support up to 32 distinct opcodes. The computer's word size and the number of registers must remain the same. If you need to make changes to this design to accommodate this upgrade, describe what they would be. Include in your answer any consequences that might affect your answers to questions (1-4) above.
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