A consists of data lines, address selection lines, and control lines a$-$ ALU d$)$ memory unit$/$C$-$CPU d$-$ control : Data can be retrieved and stored very quickly. a$-$ High$-$speed access b$-$Directly accessible c$-$Volatile d$-$Limited storage :$.$ No intermediate steps are required for data transfer. a$-$ High$-$speed access b$-$Directly accessible c$-$Volatile d$-$Limited storage Data is lost when power is turned off a$-$ High$-$speed access b$-$Directly accessible c$-$Volatile d$-$Limited storage : compared to secondary storage, primary memory is relatively small. a$-$ High$-$speed access b$-$Directly accessible q volatile d$-$Limited storage ROM that can only be programmed at the factory. PROM b$-$EPROM c$-$EEPROM d$-$MPROM keeps track of the location of the memory of the next instructions. a$-$MAR b$-$IR c$-$PC d$-$MDR Memory responds by the contents of the data bus in the desired memory location. a$-$MOC b$-$placing c$-$write d$-$read This is transferred to the address bus a$-$Data b$-$bus c$-$address d$-1/$O A sequence of instructions makes up a stored in a computer's memory unit a$-$Program b$-$address c$-$code d$-$data ROM that can erased with ultraviolet light. a$-$ PROM b$-$EPROM c$-$EEPROM d$-$MPROM. In the CPU, instructions are executed in CPU a$-$ Memory b$-$CU c$-$registers d$-$cache holds the last instruction fetched. a$-$ IR b$-$PC c$-$MAR d$-$MDR The ICs comprise materials a$-$Semiconductor b$-$seconductor c $-$ conductor d$-$semductor. relays information between the memory unit, $\frac{1}{0}$ devices, and the processor a$-$ Addressbus b$-$databus c$-$controlbus d$-$CPU Data movement instructions such as a$-$Call b$-$ret c$-$pop d$-$add Convert $27$ GB into a byte a$-28,990,662,248$ b$-28,910,662,248$ c$-28,990,662,218$ d$-28,990,162,248$ A computer has $128$ MB of memory. Each word in this computer is eight bytes. How many bits are needed to address any single word in memory a$-25$ b$-26$ c$-27$ d$-28$ Convert $27$ B into a bit a$-256$ b$-162$ c$-216$ d$-128$ Convert $2730$ into a binary number a$-11011$ b$-11010$ c$-11001$ d$-10011$