Deeagles - Stuvia US COP4600 FINAL COMBINED EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ & PASSED What pieces of hardware are in the CPU? Correct Ans - Registers, ALU, and control unit Hardware which serves as the CPUs memory. There are special and general purposed of these Correct Ans - Registers Hardware which does arithmetic and logical computations Correct Ans - ALU Hardware which tracks state/status. Also controls other components Correct Ans - Control unit Instruction cycle responsible for loading the instruction Correct Ans - Fetch Deeagles - Stuvia US Instruction cycle responsible for finding the opcode/operands of the instruction and interpreting it Correct Ans - Decode Instruction cycle responsible for carrying out the instruction Correct Ans - Execute Protected instructions can only be executed in a ____________ Correct Ans - Protected state Legacy boot process Correct Ans - BIOS What does BIOS stand for? Correct Ans - Binary Input Output System The ________ bootstraps the boot sector Correct Ans - Bootloader What does bootstrap mean? Correct Ans - Loading up the computer Deeagles - Stuvia US Why are the bootsector and bootloader separate? Correct Ans - Bootsector is too small Where is the BIOS init stored? Correct Ans - The motherboard What boot process is usable on x86 -64 (i386) standalone PCs? Correct Ans - BIOS What boot process has standard for ARM chipset systems? Correct Ans - Neither Which boot process has standardized NVRAM locations for system variables? Correct Ans - UEFI Which boot process uses a dedicated bootloader partition? Correct Ans - BIOS Which boot process is usable on x86 -64 (x64) standalone PCs? Correct Ans - Both Newer boot process Deeagles - Stuvia US Correct Ans - UEFI Which boot process simplifies diskless systems? Correct Ans - UEFI What are the functions of an OS? Correct Ans - Loading programs onto machine, controlling I/O devices, managing resources (memory, CPU), multi -tasking execution, data protection (permissions), and task interaction (pipes, networking) Mode for directly manipulating hardware Correct Ans - Kernel mode T/F: No device is directly accessed without the kernel Correct Ans - True T/F: Only system libraries can invoke system calls Correct Ans - False T/F: The system call invokes code written by system developers, while a procedure call invokes code written by an application programmer Correct Ans - False
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