OCR Computer Science Unofficial Mark scheme 2018

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ThomasClay
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Computer Science Paper 1 OCR GCSE 2018 answers
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Abdirabbi
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the 1 marker was DNS
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username3096340
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(Original post by ThomasClay)
Computer Science Paper 1 OCR GCSE 2018 answers
Registers I put MAR: memory address register contains the address of the next instruction to be executed

MDR: memory data register contains the instruction to be executed
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Abdirabbi
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MDR contains the data that is gonna be executed
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llortegarevaru
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Packet switching question was EACDB
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Shakaian
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are you sure i put EADCB
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ThomasClay
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(Original post by Abdirabbi)
MDR contains the data that is gonna be executed
Nah, that’s the MAR
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ThomasClay
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I put switch and NIC for the network hardware
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Zēro
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did you say lan or wan for that router question?
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__amish__
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(Original post by Shakaian)
are you sure i put EADCB
Yeah I got that too
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__amish__
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Would a WAP be accepted?
(Original post by ThomasClay)
I put switch and NIC for the network hardware
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JacobQattan
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Yes
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themanofthehour
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(Original post by Shakaian)
are you sure i put EADCB
I put similar if not the same to that
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DutchPaddy02
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(Original post by 13tabedin)
Registers I put MAR: memory address register contains the address of the next instruction to be executed

MDR: memory data register contains the instruction to be executed
I put ALU and accumulator, ALU performs arithmetic and logical operations, and accumulator outputs the calculations
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themanofthehour
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(Original post by __amish__)
Would a WAP be accepted?
I put WAP so I sure hope so
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BenTenTacion
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(Original post by ThomasClay)
I put switch and NIC for the network hardware
I put switch and wap (wireless access point) would that be ok?
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rocket2884
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What did everyone get for the very first question and the algorithm question?
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BenTenTacion
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#18
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(Original post by rocket2884)
What did everyone get for the very first question and the algorithm question?
Was the first question bout secondary storage?
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jakelpbooth
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(Original post by DutchPaddy02)
I put ALU and accumulator, ALU performs arithmetic and logical operations, and accumulator outputs the calculations
I put ALU and Control Unit?
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rocket2884
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yes.
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