16. A pipelined datapath must have separate instruction and data memories because the format ofinstructions is different from the format of data.A. TrueB. FalsePART B17. What is the single-precision floating-point format of the decimal number 25600?A. 0110 0110 1100 1000 0000 0000 0000 0000B. 0100 0110 1100 1000 0000 0000 0000 0000C. 0100 0110 1100 1100 0000 0000 0000 0000D. 0100 1110 1100 1000 0000 0000 0000 000018. What does the following single-precision floating-point number represent?01000011101100000010000000000000A. (352.25)1oB. (35.225)10C. (523.25)10D. None of the above19. Consider the floating-point 4-digit numbers showing below:1.010 x 2-1 and 1.011 x 2-3.Using floating-point addition procedure, the result of adding these two numbers will be:A. 1.110 X 2B. 1.011 X 2C. 1.100 X 2!D. None of the above.20. One of the MIPS advantages is that it uses the same registers for integer and floating-pointnumbers.A. TrueB. False21.means if a program references some data at a given address then it mightreference the next addresses in the memory soon.A. Memory hierarchyB. cacheC. Temporal LocalityD. Spatial Locality

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16. A pipelined datapath must have separate instruction and data memories because the format of instructions is different from the format of data. A. True B. False PART B 17. What is the single-precision floating-point format of the decimal number 25600? A. 0110 0110 1100 1000 0000 0000 0000 0000 B. 0100 0110 1100 1000 0000 0000 0000 0000 C. 0100 0110 1100 1100 0000 0000 0000 0000 D. 0100 1110 1100 1000 0000 0000 0000 0000 18. What does the following single-precision floating-point number represent? 01000011101100000010000000000000 A. (352.25)10 В. (35.225)10 C. (523.25)10 D. None of the above 19. Consider the floating-point 4-digit numbers showing below: 1.010 x 2-1 and 1.011 x 2-3. Using floating-point addition procedure, the result of adding these two numbers will be: A. 1.110 X 2 В. 1.011 X 2 C. 1.100 X 2! D. None of the above. 20. One of the MIPS advantages is that it uses the same registers for integer and floating-point numbers. A. True B. False 21. means if a program references some data at a given address then it might reference the next addresses in the memory soon. A. Memory hierarchy B. cache C. Temporal Locality D. Spatial Locality

16. A pipelined datapath must have separate instruction and data memories because the format of instructions is different from the format of data. A. True B. False PART B 17. What is the single-precision floating-point format of the decimal number 25600? A. 0110 0110 1100 1000 0000 0000 0000 0000 B. 0100 0110 1100 1000 0000 0000 0000 0000 C. 0100 0110 1100 1100 0000 0000 0000 0000 D. 0100 1110 1100 1000 0000 0000 0000 0000 18. What does the following single-precision floating-point number represent? 01000011101100000010000000000000 A. (352.25)10 В. (35.225)10 C. (523.25)10 D. None of the above 19. Consider the floating-point 4-digit numbers showing below: 1.010 x 2-1 and 1.011 x 2-3. Using floating-point addition procedure, the result of adding these two numbers will be: A. 1.110 X 2 В. 1.011 X 2 C. 1.100 X 2! D. None of the above. 20. One of the MIPS advantages is that it uses the same registers for integer and floating-point numbers. A. True B. False 21. means if a program references some data at a given address then it might reference the next addresses in the memory soon. A. Memory hierarchy B. cache C. Temporal Locality D. Spatial Locality

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter2: Introduction To Systems Architecture

Section: Chapter Questions

Problem 2VE: A(n) __________ is a storage location implemented in the CPU.

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(d) The table below shows the ALUcontrol signal of the datapath we discussed in class. Instruction Funct ALU Орсode ALUop ALU action operation field control Iw 00 load word XXXXXX add 0010 Sw 00 store word XXXXXX add 0010 beq 01 branch equal subtract 0110 XXXXXX R-type 10 add 100000 add 0010 R-type 10 subtract 100010 subtract 0110 R-type 10 AND 100100 AND 0000 R-type 10 OR 100101 OR 0001 R-type 10 set on less than 101010 set on less than 0111 You want to add the bne instruction into the datapath, which already includes the required hardware for the instruction. Write out the ALUop for bne and how you can determine whether the bne results in the branch to be taken.
26. Find the time delay in the following program if the crystal frequency is 1 MHz. Do not ignore the time delay due to the first and last instruction. DELAY: LDI R16, 30 AGAIN: LDI R17, 35 HERE: NOP NOP DEC R17 BRNE HERE DEC R16 BRNE AGAIN RET
A. What decimal number does the 32-bit pattern 0×DEADBEEF represent if it is a floating-point number? Use the IEEE 754 standard B. If the bit pattern 0 x 0000006F is placed into the Instruction Register, what RISC-V instruction will be executed? C. What decimal number does the bit pattern 0 x 0c000000 represent if it is a two's complement integer? An unsigned integer?
For the RISC-V assembly instructions below, what is the corresponding C statement? Assume that the variables f, g, h, i, and j are assigned to registers x5, x6, x7, x28, and x29, respectively. Assume that the base address of the arrays A and B are in registers x10 and x11, respectively. sub x30, x28, x29 slli x30, x30, 2 add x3, x30, x10 add x4, x30, x11 1w x30, 0 (x3) 1w x31, 0 (x4) add x30, x30, x31 sw x30, 16 (x11)
For the RISC-V assembly instructions below, what is the corresponding C statement? Assume that the variables f, g, h, i, and j are assigned to registers x5, x6, x7, x28, and x29, respectively. Assume that the base address of the arrays A and B are in registers x10 and x11, respectively: sub x30, x28, x29 slli x30, x30, 2 add x3, x30, x10 add x4, x30, x11 lw x30, 0 (x3) 1w x31, 0 (x4) add x30, x30, x31 sw x30, 16 (x11)
Given the machine code, identify the instruction line or command line. Use CAPITAL LETTERS . No spaces in the operand side. NO need to include "H" for any immediate or displacement value. e.g. MOV AX,BX GIVEN: 00001111 10110111 00010110 10101011 00111111
I have been searching in my textbook and could not find anything to help me solve this problem. Could anyone help me please? Registers in RISC-V are 64-bit. For the sake of simplicity, consider the following instructions operating on 32-bit registers. Assume that registers x5 and x6 hold the values 0xBBBBBBBB and 0x00000000, respectively. What is the value in x6 for the followingslli x6, x5, 6 Using the result from the part above, what is the value in x6 for the following instruction.srli x6, x6, 6
For the RISC-V assembly instructions below, what is the corresponding C statement? Assume that the variables f, g, h, i, and 3 are assigned to registers x5, x6, x7, x28, and x29, respectively. Assume that the base address of the arrays A and B are in registers x10 and 11, respectively. sub x30, x28, x29 slli x30, x30, 2 add x3, x30, x10 add x4, x30, x11 Iw x30, 0(x3) 1w x31, 0(x4) add x30, x30, x31 sw x30, 16 (x11)
A digital computer has a memory unit with 24 bits per word. The instruction set consists of 150 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 ofmemory.a. How many bits are needed for the opcode?b. How many bits are left for the address part of the instruction?c. What is the maximum allowable size for memory?d. What is the largest unsigned binary number that can be accommodated in one word of memory?
Given the machine code, identify the instruction line or command line. Use CAPITAL LETTERS . No spaces in the operand side. NO need to include "H" for any immediate or displacement value. e.g. MOV AX,BX GIVEN: 10101001 10101100 00111011 Blank 1
iv) The state of a CPU register's contents is 1000101.10001 in fixed point representation. What are its contents if it represents a positive real number?
A set of ten packed BCD numbers is stored in the memory location starting at 3050H. i. Write a program with a subroutine to add these numbers in BCD. If a carry is generated, save it in register B, and adjust it for BCD. The final sum will be less than 9999sCD. ii. Write a second subroutine to unpack the BCD sum stored in registers A and B, and store them in the memory locations starting at 3070H. The most significant digit (BCD4) should be stored at 3070H and the least significant digit (BCD) at 3073H.