Assembly Language MCQ

What is assembly language?

What tool converts assembly language source code to machine code?

What does the MOV instruction do in x86 assembly?

What is a register?

What does the ADD instruction do?

What is the stack pointer (SP/RSP)?

What does PUSH do in x86 assembly?

What does POP do?

What is the instruction pointer (IP/RIP)?

What does the JMP instruction do?

What does CMP do?

What is the Zero Flag (ZF)?

What does JE (or JZ) do?

What is CALL used for?

What does RET do?

What is a label in assembly?

What is the Carry Flag (CF)?

What does SUB do?

What does INC do?

What does DEC do?

What does NOP do?

What is the base pointer (BP/RBP) used for?

What is the function prologue?

What are the major data sizes in x86 assembly?

What does XOR EAX, EAX do?

What does AND do in assembly?

What does OR do?

What does the TEST instruction do?

What is the difference between little-endian and big-endian?

What is a system call?

What does MUL do?

What does DIV do?

What is a directive in assembly?

What is the .data section?

What is the .text section?

What does LEA do?

What is SHL used for?

What is the Overflow Flag (OF)?

What does XCHG do?

What is LOOP used for?

What is the calling convention?

What is the System V AMD64 ABI calling convention?

What is the difference between caller-saved and callee-saved registers?

What is CISC vs RISC?

What is alignment in memory addressing?

What is a segment register and what are the common ones?

What is an interrupt?

What is the purpose of CPUID instruction?

What is SSE in the context of x86?

What does the LEAVE instruction do?

What is the red zone in x86-64 System V ABI?

What is MOVZX and MOVSX?

What is a NOP sled used for in security?

What is address space layout randomization (ASLR)?

What is stack canary?

What is return-oriented programming (ROP)?

What does the LOCK prefix do?

What is CMPXCHG used for?

What is a memory fence (MFENCE, LFENCE, SFENCE)?

What is the difference between PUSH/POP and PUSHA/POPA?

What is pipelining and how does it affect assembly programming?

What is the difference between IMUL and MUL in x86?

What does the SHR instruction do?

What does the NEG instruction do?

What is the purpose of the REP prefix with string instructions?

What does MOVS (MOVSB/MOVSW/MOVSD) do?

What does STOS (STOSB/STOSW/STOSD) do?

What is the Direction Flag (DF) used for?

What is CALL FAR vs CALL NEAR?

What is the Sign Flag (SF) set to after an operation?

What is the Parity Flag (PF) used for?

What is a protected mode in x86?

What is long mode (64-bit mode) in x86-64?

What is PUSHF/POPF used for?

What is the difference between JBE and JLE?

What is a procedure prologue and epilogue in 64-bit code?

What is a vtable call in assembly terms?

What is the hot and cold code split technique?

What is the difference between movdqu and movdqa?

What is instruction-level parallelism (ILP) and superscalar execution?

What is branch prediction and what is its impact on performance?

What are CPU caches and their impact on assembly optimization?

What is SIMD and how does it improve throughput?

What is speculative execution and the Spectre vulnerability?

What is the hardware prefetcher?

What is out-of-order execution?

What is the Tomasulo algorithm?

What is AARCH64 (ARM64) and how does it differ from x86-64?

What are hardware performance counters?

What is the purpose of RDTSC in timing and what are its caveats?

What is a micro-operation (uop) in modern Intel architecture?

What is the µop cache (decoded instruction cache) and its benefit?

What is ASLR and how does it interact with position-independent code (PIC)?

What is the PLT (Procedure Linkage Table) and how does lazy binding work?

What is the difference between PIC and PIE?

What is Return-Oriented Programming (ROP) chain construction?

What is a shadow stack and how does it prevent ROP?

What is x87 FPU vs SSE floating-point and why does SSE dominate?

What is the cache line size and why does it matter for assembly optimization?

What is the Meltdown vulnerability in terms of assembly?