Surge protector :) hope this helps
About a database. A data dictionary defines the structure of the database itself (not that of the data held in the database) and is used in control and maintenance of large databases. Among other items of information, it records (1) what data is stored, (2) name, description, and characteristics of each data element, (3) types of relationships between data elements, (4) access rights and frequency of access. Also called system dictionary when used in the context of a system design
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Answer and Explanation:
It is generally seen that instruction are of same length in a machine design. But this is not a good factor for the stack machine as there is the function of push and pop which requires addresses and opcodes for the execution of the arithmetic operation .So, there will be lot of waste of memory space if the length of the instruction are of same .That is why stack machines should not have same length instruction.
