Exam Knowledge Flashcards
More modern computers have motherboard-mounted mouse and keyboard functionality, but in the past they required what?
ISA Cards
Expansion cards are what?
Circuit boards that are inserted into expansion slots. the cards communicate with the system via expansion buses.
What purpose does POST serve?
Test the system at startup.
Expansion cards are also called what?
Adapter cards.
Virtual Memory + RAM =
Swap File
Transistors open and close circuits in a computer. True/False
True
What are specific instructions stored on a ROM chip called?
Firmware
DRAM has a smaller physical size than SRAM. True/False
True
DRAM requires what to maintain contents?
Refreshing
SDRAM is triggered by a clock pulse. True/False
True
A PROM chip can only be programmed once. True/False
True
When was the first integrated circuit introduced?
1950s
Buses or integrated circuits are etched onto computer chips?
Integrated circuits.
SRAM stores each bit of data in a separate transistor and resistor. True/False
False
What is the DOS command to make a directory?
md or MKDIR
What is the Unix command to make a directory?
mkdir
Which DOS command is used to display the contents of a file?
type
What is the Unix command to change your password?
passwd
What is the Unix command to display the contents of a file?
cat
chmod 751 results in what permissions?
rwx r_x __x
Where is the bootstrap loader stored?
BIOS.
BIOS stands for what?
Basic Input/Output System