WorksheetsassemblyLanguageChap2
Total questions: 10
Worksheet time: 4mins
sync the internal operations of the CPU with other system components
register
clock
ALU
CU
perform arithmetic operations
& logical operations
CU
clock
register
ALU
a group of parallel wires that transfer data from one port of computer to another
data bus
I/O bus
control bus
address bus
bus
status flags are updated after this step.
instruction fetch
instruction decode
operation execution
store results
operand are fetched from registers and memory
instruction fetch
instruction decode
operation execution
store results
There are __ 32-bit general purpose registers
4
8
16
14
__ is used for loop counter
EAX
EBX
ECX
EDX
__ is commonly used for accumulator
EAX
EBX
ECX
EDX
Which flag is set after this calculation?
mov al, 1000 1100b
add al, 0000 0010b
Carry Flag
Overflow Flag
Zero Flag
Parity Flag
two unsigned 8 bit numbers (264, 230) were added and saved in an 8 bit register. Which flag will be set?
Carry flag
Overflow flag
Auxiliary Carry flag
Parity flag
