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Instruction Format

GATE CSE & IT · Computer Architecture - Instruction Set Architecture · 2014-2026

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2026 PYQ

Consider a processor that has 16 general purpose registers and it uses 2-byte instruction format for all its instructions. Variable-sized opcodes are permitted. There are three dif...

mediumanswer keybasic explanation
2025 PYQ

A processor has 64 general-purpose registers and 50 distinct instruction types. An instruction is encoded in 32-bits. What is the maximum number of bits that can be used to store t...

easyanswer keybasic explanation
2024 Q57

A processor with 16 general purpose registers uses a 32-bit instruction format. The instruction format consists of an opcode field, an addressing mode field, two register operand f...

mediumanswer key
2024 Q61

A processor uses a 32-bit instruction format and supports byte-addressable memory access. The ISA of the processor has 150 distinct instructions. The instructions are equally divid...

mediumanswer key
2024 PYQ

A processor with 16 general purpose registers uses a 32-bit instruction format. The instruction format consists of an opcode field, an addressing mode field, two register operand f...

easybasic explanation
2024 PYQ

A processor uses a 32-bit instruction format and supports byte-addressable memory access. The ISA of the processor has 150 distinct instructions. The instructions are equally divid...

mediumbasic explanation
2020 PYQ

A processor has 64 registers and uses 16-bit instruction format. It has two types of instructions: I-type and R-type. Each I-type instruction contains an opcode, a register name, a...

mediumbasic explanation
2018 PYQ

A processor has $$16$$ integer registers $$\left( {R0,\,\,R1,\,\,..\,\,,\,\,R15} \right)$$) and $$64$$ floating point registers $$(F0, F1,… , F63).$$ It uses a $$2$$-byte instructi...

mediumbasic explanation
2016 PYQ

Consider a processor with $$64$$ registers and an instruction set of size twelve. Each instruction has five distinct fields, namely, opcode, two source register identifiers, one de...

medium
2016 PYQ

A processor has $$40$$ distinct instructions and $$24$$ general purpose registers. A $$32$$-bit instruction word has an opcode, two register operands and an immediate operand. The...

easy
2015 PYQ

For computers based on three-address instruction formats, each address field can be used to specify which of the following: (S1) A memory operand (S2) A processor register (S3) An...

easyanswer key
2014 PYQ

A machine has a $$32$$-bit architecture, with $$1$$-word long instructions. It has $$64$$ registers, each of which is $$32$$ bits long. It needs to support $$45$$ instructions, whi...

easy