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Recent questions tagged instruction-format

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Self Doubt Random found on Internet
Consider a system which supports 2-address and 1-address instructions both. System has 20-bits instructions and 7-bits addresses then which of the following is/are the number of 1-address instructions possible for the system?
Consider a system which supports 2-address and 1-address instructions both. System has 20-bits instructions and 7-bits addresses then which of the following is/are the nu...
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8
instruction-format
Assume an instruction set that uses a fixed 31 bit instruction length. Operand specifies are 4 bits in length. If there are m-three operand instructions in total, then how many two instructions are possible at maximum?
Assume an instruction set that uses a fixed 31 bit instruction length. Operand specifies are 4 bits in length. If there are m-three operand instructions in total, then ho...
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9
Vishvadeep sir DPP, Instructions
Disadvantages of using 2-address instruction in place of 1-address instructions is/are? More memory required for program Larger sized instructions More number of instructions only 1 only 1 & 3 only 2 all 1,2 and 3
Disadvantages of using 2-address instruction in place of 1-address instructions is/are?More memory required for programLarger sized instructionsMore number of instruction...
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10
Consider a system which supports only 1-address type instructions. The size of memory the system has is 2^m KB. The system supports ' i ' distinct instructions. The length of an instruction is ____ Bytes?
Consider a system which supports only 1-address type instructions. The size of memory the system has is $2^m$ KB. The system supports ' i ' distinct instructions. The len...
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13
Computer Organization, Instruction Set Architecture, Gateforum
Consider a system with 16 Registers(Ro,R1,...R8).An instruction SUB Ro,R1 , which is two bytes long,what is the space assigned to the opcode field (in bits) ?
Consider a system with 16 Registers(Ro,R1,...R8).An instruction SUB Ro,R1 , which is two bytes long,what is the space assigned to the opcode field (in bits) ?
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3 votes
1 answer
14
NIELIT 2017 OCT Scientific Assistant A (IT) - Section C: 8
Match list $I$ with List $II$ ... iii, D-iv A-iii, B-ii, C-iv, D-i A-ii, B-iii, C-i, D-iv A-i, B-iv, C-ii, D-iii
Match list $I$ with List $II$ and select the correct answer using the codes given below the lists :$${\begin{array}{|c|c|c|}\hline&\textbf{List I} & & \textbf{List II}\\\...
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3 votes
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16
NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 3
Match list $I$ with List $II$ ... iii, D-iv A-iii, B-ii, C-iv, D-i A-ii, B-iii, C-i, D-iv A-i, B-iv, C-ii, D-iii
Match list $I$ with List $II$ and select the correct answer using the codes given below the lists.$${\begin{array}{|c|c|c|}\hline&\textbf{List I} & & \textbf{List II}\\\h...
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3 votes
5 answers
17
NIELIT 2017 DEC Scientist B - Section B: 6
A stack organized computer has which of the following instructions? zero-address one-address two-address three-address
A stack organized computer has which of the following instructions?zero-addressone-addresstwo-addressthree-address
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1 votes
3 answers
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NIELIT 2017 DEC Scientist B - Section B: 40
Which of the following is/are not features of RISC processor? Large number of addressing modes. Uniform instruction set. (i) Only (ii) Only Both (i) and (ii) None of the options
Which of the following is/are not features of RISC processor?Large number of addressing modes.Uniform instruction set.(i) Only(ii) OnlyBoth (i) and (ii)None of the option...
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2 votes
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21
ISRO2020-49
One instruction tries to write an operand before it is written by previous instruction. This may lead to a dependency called True dependency Anti-dependency Output dependency Control Hazard
One instruction tries to write an operand before it is written by previous instruction. This may lead to a dependency calledTrue dependencyAnti-dependencyOutput dependenc...
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22
Andrew S. Tanenbaum (OS) Edition 4 Exercise 1 Question 6 (Page No. 81)
Instructions related to accessing I/O devices are typically privileged instructions, that is, they can be executed in kernel mode but not in user mode. Give a reason why these instructions are privileged.
Instructions related to accessing I/O devices are typically privileged instructions, that is, they can be executed in kernel mode but not in user mode. Give a reason why ...
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25
CO DOUBT
Certain CPU uses expanding op-code . It has 16 bit instructions with 6-bit addresses . It has maximum 192 one-address Instructions. Then number of 2-addresses instructions are supported by the system is __________________
Certain CPU uses expanding op-code . It has 16 bit instructions with 6-bit addresses . It has maximum 192 one-address Instructions.Then number of 2-addresses instructions...
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