Hardware & Software
Which is system software?
OS
What does "bus" mean here?
Data pathway
Which is a general-purpose register?
AX
What is memory segmentation?
Dividing memory into blocks
MOV is an example of a:
Data transfer instruction
CPU stands for:
Central Processing Unit
Fetch-decode-execute is a:
CPU cycle
IP register points to:
Next instruction
A stack follows what order?
LIFO
ADD/SUB are what type?
Arithmetic instructions
Which is hardware?
RAM
An interrupt causes the CPU to:
Pause and handle a request
SP register is used for:
Stack operations
PUSH adds data to the:
Top of the stack
AND, OR, XOR are:
Logic instructions
Von Neumann architecture stores what together?
Data and instructions
Synchronous bus uses:
A shared clock signal
FLAGS register shows:
Operation results (e.g. zero, carry)
Which addressing mode uses a register's value directly?
Register addressing mode
NOT operation does what?
Inverts each bit
Which unit executes instructions?
ALU (Arithmetic Logic Unit)
What triggers a hardware interrupt?
An external device (e.g. keyboard, disk)
Which register holds return addresses in a call?
Stack (via SP)
Base + offset addressing is used for:
Accessing segmented memory
CMP instruction is mainly used for:
Comparing values before a jump