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Uses the ALU in the CPU to carry out these instructions. One of the operand must be kept in the
accumulator or reg. A for 8-bit operations. For 16-bit operations the operand is kept in a register
pair HL. or we can say data manipulation instruction
virtual all data operations use:
accumulator for byte operations
or carry bit for bit operations
logical operations: AND OR XOR NOT called compelement
bit operation:carry bit,many bit in register.
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What does database manipulation do?
INSERT new data , UPDATE new data , DELETE existing data (basically modify the data).
What methods are there of entering data into a Database?
Data in a database table can be inserted by the help of Data Manipulation Language, by writing query in language like Sql.
What is a raw data graphic?
A raw data graphic is a visual representation of unprocessed, unanalyzed data. It typically shows the individual values or observations without any summarization or manipulation. This type of graphic is useful for initially exploring and understanding the data before further analysis.
What is the definition of slice and dice?
This is an informal term referring to data retrieval and manipulation in a Data Warehousing Systems. We can picture a data warehouse as a cube of data, where each axis of the cube represents a dimension. To "slice" the data is to retrieve a piece (a slice) of the cube by specifying measures and values for some or all of the dimensions. When we retrieve a data slice, we may also move and reorder its columns and rows as if we had diced the slice into many small pieces. A system with good slicing and dicing makes it easy to navigate through large amounts of data.
What factor help in deciding the length of instruction format?
the number of bits required to represent an instruction of a cpu is known as length of the instruction or known as instruction.
