Homework Answers
Number of bits in OPR help us in identifying total number of operations that can be performed by ALU.
Number of possible operations that can be performed using the ALU = 2^(no of bits in OPR) = 2^5 =2*2*2*2*2= 32
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Suppose you have the following control word format of the control unit How many possible operations...
1. Assuming that the ALU has a 6-bit control word, how many different operations can it...
1. Assuming that the ALU has a 6-bit control word, how many different operations can it perform? 2. Consider the ALU shown on slide 9 of Lecture 16. Calculate the result for each operation specified in Table 1. Assume that A 1101 and B 0111. Specify the operation performed, the resut, and the value of each status bit 3 Write the VHDL code to describe an ALU that performs four operations: AND, OR, NOT, and Addition. Use a with-select-when statement....
A digital computer has a memory unit with 24 bits per word.
A digital computer has a memory unit with 24 bits per word. the instructions set consists of 150 different operations. all instructions have an operation codepart(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 opcodeb. how many bits are left for the address part of the instruction.c. What is the maximum allowable size of memory.d. what is the largest unsigned binary number that...
a) Suppose we have a 64 KB, direct-mapped cache with 8-word blocks. Determine how many bits...
a) Suppose we have a 64 KB, direct-mapped cache with 8-word blocks. Determine how many bits are required for the tag, index, and offset fields for a 32-bit memory address. b) If instead, we use a 64 KB, 4-way set-associative cache with 8-word blocks, how many bits will be required for the tag, index, and offset fields for a 32-bit address? c) What type of cache is shown in problem 2? How many bits are required for this cache’s tag,...
2. Suppose that a 16M X 16 main memory is built using 512K X 8 RAM...
2. Suppose that a 16M X 16 main memory is built using 512K X 8 RAM chips and memory is word addressable. a) How many RAM chips are necessary? ______ b) How many RAM chips are needed for each memory word? _______ c) How many address bits are needed for each RAM chip? _______ d) How many address bits are needed for all memory? _______ A digital computer has a memory unit with 24 bits per word. The instruction set...
A digital computer has a memory unit with 24 bits per word. The instruction set consists...
A digital computer has a memory unit with 24 bits per word. The instruction set consists of 199 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. [] How many bits are needed for the opcode? How many bits are left for the address part of the instruction? What is the maximum allowable size for memory? What is the largest signed...
A digital computer has a memory unit with 24 bits per word. The instruction set consists...
A digital computer has a memory unit with 24 bits per word. The instruction set consists of 110 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. (10 points) How many bits are needed for the opcode? How many bits are left for the address part of the instruction? What is the maximum allowable size for memory? What is the largest...
A digital computer has a memory unit with 24 bits per word. The instruction set consists...
A digital computer has a memory unit with 24 bits per word. The instruction set consists of 199 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. [8 marks] How many bits are needed for the opcode? How many bits are left for the address part of the instruction? What is the maximum allowable size for memory? What is the largest...
Assume that you have been assigned 202.145.22.0/29 How many bits are borrowed to create the subnet...
Assume that you have been assigned 202.145.22.0/29 How many bits are borrowed to create the subnet field? 5 bits What is the maximum number of subnets that can be created with this number of bits? 2^5=32 How many bits can be used to create the host space? 32 bits, 5bits to define the subnets. 27 bits for the host space. What is the maximum number of host addresses available per subnet? 3 bits for host space What is the subnet...
a) How many arrangements are there of the word “GRANDMASTER”? b) Suppose a lottery consists of...
a) How many arrangements are there of the word “GRANDMASTER”? b) Suppose a lottery consists of picking 6 different numbers from 1 to 52. (The order you pick them doesn’t matter). How many possible lottery tickets are there?
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How...
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How many bits the virtual address contain? How many bits the physical address contain? bs Suppose now that some pages from the process have been brought into main memory as shown in the following figure: Virtual memory Physical memory Page table Frame #...
1. Assuming that the ALU has a 6-bit control word, how many different operations can it perform? 2. Consider the ALU shown on slide 9 of Lecture 16. Calculate the result for each operation specified in Table 1. Assume that A 1101 and B 0111. Specify the operation performed, the resut, and the value of each status bit 3 Write the VHDL code to describe an ALU that performs four operations: AND, OR, NOT, and Addition. Use a with-select-when statement....
Exercise l: Suppose that we have a virtual memory space of 28 bytes for a given process and physical memory of 4 page frames. There is no cache. Suppose that pages are 32 bytes in length. 1) How many bits the virtual address contain? How many bits the physical address contain? bs Suppose now that some pages from the process have been brought into main memory as shown in the following figure: Virtual memory Physical memory Page table Frame #...
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