CNAB ACTUAL MAIN QUESTIONS AND ANSWERS
SURE A+
✔✔/etc/resolv.conf - ✔✔specifies machines to use for name resolution
✔✔/etc/named.conf - ✔✔configuration file for BIND
✔✔stack - ✔✔non-static, local variables, very fast
✔✔free space - ✔✔reserved for external libraries of code
✔✔heap - ✔✔dynamically allocated memory, uninitialized at first
✔✔data - ✔✔global and static variables
✔✔text - ✔✔compiled code of currently running program
✔✔bss - ✔✔unitialized and zero initialized global and static variables
✔✔kernel32.dll - ✔✔Contains code that gives programs access to system functions
✔✔user32.dll - ✔✔Allows programs to implement a graphical user interface (GUI).
✔✔gdi32.dll - ✔✔Part of the Windows Graphics Device Interface (GDI) that enables
programs and applications to use graphics
✔✔advapi32.dll - ✔✔Part of an advanced API services library supporting numerous
APIs
✔✔KERNELBASE.dll - ✔✔Introduced with 6.1 architectures, it contains a combination
of functions and code originally contained in kernel32 and advapi32 libraries.
, ✔✔interrupts - ✔✔generated by IO devices (hardware interrupts)
✔✔exceptions - ✔✔execution of a particular intruction (software interrupts)
✔✔trap handling - ✔✔kernel uses trap-handler to trap threads to resolve
interrupts/exceptions
✔✔Tera (T) - ✔✔10^12 or 2^40
✔✔giga (G) - ✔✔10^9 or 2^30
✔✔mega (M) - ✔✔10^6 or 2^20
✔✔kilo (K) - ✔✔10^3 or 2^10
✔✔mili (m) - ✔✔10^-3
✔✔micro (u) - ✔✔10^-6
✔✔nano (n) - ✔✔10^-9
✔✔pico (p) - ✔✔10^-12
✔✔CISC - ✔✔can execute several low-level operations in one instruction
✔✔RISC - ✔✔one low-level operation per instruction
✔✔memory-to-register (CISC or RISC) - ✔✔data processing in registers and memory
locations (CISC)
✔✔load/store (CISC or RISC) - ✔✔data processing on registers only (RISC)
✔✔big endian - ✔✔most significant byte first
✔✔little endian - ✔✔least significant byte first
✔✔IA-32, and x86-64 processors use what type of endianess - ✔✔little-endian
✔✔page file (swap file) - ✔✔This file is a hidden system file used by the Windows
operating system. Windows stores data in this file when your computer's RAM fills up.
often called "virtual memory"
SURE A+
✔✔/etc/resolv.conf - ✔✔specifies machines to use for name resolution
✔✔/etc/named.conf - ✔✔configuration file for BIND
✔✔stack - ✔✔non-static, local variables, very fast
✔✔free space - ✔✔reserved for external libraries of code
✔✔heap - ✔✔dynamically allocated memory, uninitialized at first
✔✔data - ✔✔global and static variables
✔✔text - ✔✔compiled code of currently running program
✔✔bss - ✔✔unitialized and zero initialized global and static variables
✔✔kernel32.dll - ✔✔Contains code that gives programs access to system functions
✔✔user32.dll - ✔✔Allows programs to implement a graphical user interface (GUI).
✔✔gdi32.dll - ✔✔Part of the Windows Graphics Device Interface (GDI) that enables
programs and applications to use graphics
✔✔advapi32.dll - ✔✔Part of an advanced API services library supporting numerous
APIs
✔✔KERNELBASE.dll - ✔✔Introduced with 6.1 architectures, it contains a combination
of functions and code originally contained in kernel32 and advapi32 libraries.
, ✔✔interrupts - ✔✔generated by IO devices (hardware interrupts)
✔✔exceptions - ✔✔execution of a particular intruction (software interrupts)
✔✔trap handling - ✔✔kernel uses trap-handler to trap threads to resolve
interrupts/exceptions
✔✔Tera (T) - ✔✔10^12 or 2^40
✔✔giga (G) - ✔✔10^9 or 2^30
✔✔mega (M) - ✔✔10^6 or 2^20
✔✔kilo (K) - ✔✔10^3 or 2^10
✔✔mili (m) - ✔✔10^-3
✔✔micro (u) - ✔✔10^-6
✔✔nano (n) - ✔✔10^-9
✔✔pico (p) - ✔✔10^-12
✔✔CISC - ✔✔can execute several low-level operations in one instruction
✔✔RISC - ✔✔one low-level operation per instruction
✔✔memory-to-register (CISC or RISC) - ✔✔data processing in registers and memory
locations (CISC)
✔✔load/store (CISC or RISC) - ✔✔data processing on registers only (RISC)
✔✔big endian - ✔✔most significant byte first
✔✔little endian - ✔✔least significant byte first
✔✔IA-32, and x86-64 processors use what type of endianess - ✔✔little-endian
✔✔page file (swap file) - ✔✔This file is a hidden system file used by the Windows
operating system. Windows stores data in this file when your computer's RAM fills up.
often called "virtual memory"
