CMPEN 331 Study guides, Class notes & Summaries

Datapathperforms operations on data Controlsequences datapath, memory Cache memorysmall fast SRAM memory for immediate access to data Volatile main memoryLoses instructions and data when power off Non-volatile secondary memoryMagnetic disk Flash memory Optical disk (CDROM, DVD) Local area network (LAN)ethernet Response timehow long it takes to do a task

Two's complimentnegative numbers- flip the bits and add 1 Range from -2^(n-1) to 2^(n-1)-1 Overflowcalculated number is too big to fit into finite word (32 bits for register file words) * adding two n-bit numbers does not yield an n-bit number * sign bit contains a value bit of the result and not the proper sign bit Arithmetic and Logic Operationsadd, addi, addiu, addu sub, subu mult, multu, div, divu sqrt and, andi, nor, or, ori, xor, xori beq, bne, slt, slti, sltiu, sltu

Kilobyte2^10 bytes Megabyte2^20 bytes Gigabyte2^30 bytes Terabyte2^40 bytes Petabyte20^50 bytes Exabyte20^60 bytes input, output, memory, datapath, controlfive classic components of a computer Instruction Set ArchitectureISA

Two's complimentnegative numbers- flip the bits and add 1 Range from -2^(n-1) to 2^(n-1)-1 Overflowcalculated number is too big to fit into finite word (32 bits for register file words) * adding two n-bit numbers does not yield an n-bit number * sign bit contains a value bit of the result and not the proper sign bit Arithmetic and Logic Operationsadd, addi, addiu, addu sub, subu mult, multu, div, divu sqrt and, andi, nor, or, ori, xor, xori beq, bne, slt, slti, sltiu, sltu

Kilobyte2^10 bytes Megabyte2^20 bytes Gigabyte2^30 bytes Terabyte2^40 bytes Petabyte20^50 bytes Exabyte20^60 bytes input, output, memory, datapath, controlfive classic components of a computer Instruction Set ArchitectureISA

Datapathperforms operations on data Controlsequences datapath, memory Cache memorysmall fast SRAM memory for immediate access to data Volatile main memoryLoses instructions and data when power off Non-volatile secondary memoryMagnetic disk Flash memory Optical disk (CDROM, DVD) Local area network (LAN)ethernet