- pointer
- indexed register
- special location
- scratch pad
- None of the above
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In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?
Answer: Option 4 Let'
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Memory in which any location can be reached in a fixed and short amount of time after specifying its address is called -?
Answer: Option 2 Memories in which any location can be reached in a fixed amount of time after specifying its address is called random-access memory.
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The register which holds the address of the location to or from which data are to be transferred is known as?
Answer: Option 3 In a computer, the memory address register (MAR) is the CPU register that either stores the memory address from which data will be fetched to the CPU,...
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In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of a register?
Answer: Option 4 The address of the operand is obtained by adding to the contents of the general register (index register) a constant value. Index mode is used to access...
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The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as?
Answer: Option 3 Program counter : A program counter is a register in a computer processor that contains the address (location) of the instruction being executed at the current time....
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A register in which of the following that holds the current instruction while it is being executed is called instruction register.?
Answer: Option 2 In computing, the instruction registers (IR) or current instruction register (CIR) is the part of a CPU's control unit that holds the instruction currently being executed or...
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Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?
Answer: Option 3 Indexes are used by all types of software, including the operating system, database management system (DBMS) and applications. For example, the file system index in an operating...
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In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
Answer: Option 3 Auto Indexed (increment mode): Effective address of the operand is the contents of a register specified in the instruction. After accessing the operand, the contents of this...
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In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?
Answer: Option 4 Auto decrement mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the...
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In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.?
Answer: Option 1 In this addressing mode, the address of location of the operand is given explicitly as a part of the instruction. This addressing mode is also known as...
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