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Primary Memory and the CPU
Representation of Information
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accumulator additional address field allocated allow arithmetic assembler assembly language binary block branch buffer byte called changed chip command complement condition contains contents copy CP/M debugger decimal defined digit disk end-of-file entry error example execution file control block file name floating-point handled hardware hexadecimal I/O devices I/O unit identifier index register indicate input instruction integer INTEL interrupt LOAD loader location counter location field loop machine machine-level macro memory address mnemonic move multiplication needed one-address operand address operating system output page table parameter pass pointer primary memory problem processor program counter pseudo record relocatable relocation representation result secondary storage segment register sequence sequential shift shown in Figure Sign bit signals specified stack stored subprogram subtraction symbol table tape terminal user program usually variables word write