Computers and Technology

Computers and Technology, 25.07.2019 05:20, deaishaajennings123

Consider a computer that does not havea test-and-set instruction, but does have an instruction to swapthe contents of a register and a memory word in a singleindivisible action. can that be used to implement mutual exclusion? explain?

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Computers and Technology, 26.08.2019 19:30, mine9226

Amachine instruction swap(r, x) interchanges the contents of the register r and the memory location x in one instruction cycle. implement the pb and vb operations on binary semaphore using swap. (b) a machine instruction test-set-branch, tsb(x, l), where x is a memory location and l is a branch label, performs the following function in one instruction cycle: if (x == 0) branch to l else x = 0 implement the pb and vb operations on binary semaphore using tsb .

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Computers and Technology, 14.09.2019 06:10, amazingmariah1234

Adigital computer has a memory unit with 48 bits per word. the instruction set consists of 240 different operations. all instructions have an operation code part (opcode) and an address part (allowing for only one address). each instruction is stored in one word of memory. a. how many bits are needed for the opcode? b. how many bits are needed to specify the register? how many bits are left for the address part of the instruction? c. what is the largest unsigned binary number that can be accommodated in one word of memory?

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Computers and Technology, 03.10.2019 02:30, jumeljean123oythxy

Adigital computer has a memory unit with 16 bits per word. the instruction set consists of 122 different operations. all instructions have an operation code part (opcode) and an address part (allowing for only one address). each instruction is stored in one word of memory. 1. how many bits are needed for the opcode? 2. how many bits are left for the address part of the instruction? 3. what is the maximum allowable size for memory? 4. what is the largest unsigned binary number that can be accommodated in one word of memory?

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