INTRODUCTION TO COMPUTERS
COMPUTER ARCHITECTURE AND ORGANIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flag register
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Status register
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Test register
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Log register
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Detailed explanation-1: -A status register, flag register, or condition code register (CCR) is a collection of status flag bits for a processor.
Detailed explanation-2: -14.4. Status registers are used to test for various conditions in an operation, such as ‘is the result negative’, ‘is the result zero’, and so on. The two status registers have 16 bits and are called the instruction pointer (IP) and the flag register (F): • IP, which is the instruction pointer.
Detailed explanation-3: -There are two types of flags: The status flags Reflect the result of executing an instruction which reflect the result of executing an instruction. The programmer cannot set/reset these flags directly. The control flags Enable or disable certain CPU operations enable or disable certain CPU operations.