informatics

4th gen

microprocessor

optical drives

faster with sequential access

HDDs

uses LBAs

EDO-RAM

asynchronous

increasing clock frequency of CPU, viable option

false

mainframes prioritize large-scale data processing

true

key improvement introduced by OS in 3rd gen

automatic task switching

invention by jackquard

automated loom operated by punch cards

windows may share prog files, keep user-specific config in AppData

true

which action requires administrative privileges

installing system wide app into C:\Program Files

local profile directories stored in windows

C:\Users\<username>

LCD have fixed native resolution by their physical pixel struc

true

smallest writable unit in NAND flash-based SSDs

the page

system combines multiple computers to work as one

cluster computing

electronic ROM memories have random access

true

serial buses uses more wires compared to parallel buses

false

moore’s law…transistors double every 2 years

true

CLI allows fine-grained control than GUI for system config

true

dynamic RAM achieves greater densities than static RAM

true

guest account unsafe

minimal perms

which advantage best explains choosing row widths equal to the data bus width?

transfer entire selected row efficiently

memory classified as volatile

DRAM

NOT a geometrical property of HDDs

cap

collection of symbol meanings is protocol

true

digital conversion (sampling/quantization) introduce what problems

rounding errors & resolution limits

HDD characteristic that affects expected lifetime

rotational speed

parallel buses include control, data, address signals

true

DMA transfers data independently of the CPU

true