Kernel of the os - Study guides, Class notes & Summaries

What is an operating system? Correct Answer-A set of programs that acts as an interface between a computer's applications and hardware. What are some features an operating system uses in the processing of data or instructions? Correct Answer-1. Multi-Processing 2. Multi-Tasking 3. Multi-Threading What is Cooperative Multitasking? Correct Answer-A type of multitasking in which the process or program currently controlling the CPU must offer equal control to other processes and programs. ...

CCTC Linux Exam 2024 Questions and Answers Latest Update. What do you not have in a borne derivitive shell? - Answer Tab complete, history, What is a daemon? - Answer Orphan process. Orphaned children are immediately adopted by init. What is a non-interactive Shell? - Answer Commands are run without user interaction. Example: An automated process that does not require input or output that someone will see as it runs. Example: a Script that scans storage media looking for potential PII th...

OS A program that manages the computers hardware an provides the environment in which programs are executed - its a resource allocator and control program CPU The processor that performs the computations I/O devices Items such as the terminal, disks, video board, printer, network card key are all considered one of these Main Memory This contains data and programs used by the CPU System bus This is the communication medium between CPU, memory and peripherals kernel the one program running...

What pieces of hardware are in the CPU?: Registers, ALU, and control unit 2. Hardware which serves as the CPUs memory. There are special and general purposed of these: Registers 3. Hardware which does arithmetic and logical computations: ALU 4. Hardware which tracks state/status. Also controls other components: Control unit 5. Instruction cycle responsible for loading the instruction: Fetch 6. Instruction cycle responsible for finding the opcode/operands of the instruction and interpreting...

CCTC Linux Exam Questions and Answers Updated 2024/2025 (100% Correct) What do you not have in a borne derivitive shell? - Answer Tab complete, history, What is a daemon? - Answer Orphan process. Orphaned children are immediately adopted by init. What is a non-interactive Shell? - Answer Commands are run without user interaction. Example: An automated process that does not require input or output that someone will see as it runs. Example: a Script that scans storage media looking for pote...

True or False; The Core of the Operating System is referred to as the CPU. - False Which of the following is NOT an I/O task preformed by the CPU? (A) Handles output to the monitor. (B) Executes programs instructions (C) Manages network communications (D) Controls information storage and retrieval - (B) Executes program instructions What was the first widely used multi-user, multitasking Operating System? - UNIX What is the job that the kernel of the OS preforms? - Communicates between CP...

True or False; The Core of the Operating System is referred to as the CPU. - False Which of the following is NOT an I/O task preformed by the CPU? (A) Handles output to the monitor. (B) Executes programs instructions (C) Manages network communications (D) Controls information storage and retrieval - (B) Executes program instructions What was the first widely used multi-user, multitasking Operating System? - UNIX What is the job that the kernel of the OS preforms? - Communicates between CP...

CCTC Linux Exam 2024 Questions and Answers Latest Update. What do you not have in a borne derivitive shell? - Answer Tab complete, history, What is a daemon? - Answer Orphan process. Orphaned children are immediately adopted by init. What is a non-interactive Shell? - Answer Commands are run without user interaction. Example: An automated process that does not require input or output that someone will see as it runs. Example: a Script that scans storage media looking for potential PII th...

Algorithm - set of instructions with finite initial store and state, a starting point, and unambiguous ordering until the endpoint Process (general definition) - a program in execution = program + state Program - sequence of instructions that embody an algorithm Job - a task to be completed Why need an O.S.? - - load program onto computer - access and supervise I/O devices - manage resources - protect private info - facilitate program interactions 2 main OS Roles? - 1. resour...

____ is a command-line network-debugging tool. - Tcpdump Modern BlackBerry devices have ARM7 or ____ processors - ARM9 ____ is completely passive and is capable of detecting traffic from WAPs and wireless clients. It works on both open and closed networks. - Kismet THe ipod touch uses the ____ OS as it's operating system - iPhone The iPhone OS ____ layer provides the kernel environment, drivers, and basic interfaces of the operating system. - Core OS The goal of a(n) ____ attack is to de...