CEA201 Unit 8 multi
operating system
QN=1 The __________ is a program that controls the execution of application programs and acts as an interface between applications and the computer hardware. a. job control language b. operating system c. batch system d. nucleus
physical address
QN=10 A _________ is an actual location in main memory. a. logical address b. partition address c. base address d. physical address
thrashing
QN=11 ________ is when the processor spends most of its time swapping pages rather than executing instructions. a. Swapping b. Thrashing c. Paging d. Multitasking
TLB
QN=12 Virtual memory schemes make use of a special cache called a ________ for page table entries. a. TLB b. HLL c. VMC d. SPB
unsegmented unpaged memory
QN=13 With _________ the virtual address is the same as the physical address. a. unsegmented unpaged memory b. unsegmented paged memory c. segmented unpaged memory d. segmented paged memory
domain
QN=14 A _________ is a collection of memory regions. a. APX b. nucleus c. domain d. page table
page table
QN=15 The OS maintains a __________ for each process that shows the frame location for each page of the process. a. kernel b. page table c. TLB d. logical address
utility
QN=2 Facilities and services provided by the OS that assist the programmer in creating programs are in the form of _________ programs that are not actually part of the OS but are accessible through the OS. a. utility b. multitasking c. JCL d. logical address
ISA
QN=3 The _________ defines the repertoire of machine language instructions that a computer can follow. a. ABI b. API c. HLL d. ISA
ABI
QN=4 The _________ defines the system call interface to the operating system and the hardware resources and services available in a system through the user instruction set architecture. a. HLL b. API c. ABI d. ISA
API
QN=5 The ________ gives a program access to the hardware resources and services available in a system through the user instruction set architecture supplemented with high-level language library calls. a. JCL b. ISA c. ABI d. API
uniprogramming
QN=6 A _________ system works only one program at a time. a. batch b. uniprogramming c. kernel d. privileged instruction
job control language
QN=7 A _________ is a special type of programming language used to provide instructions to the monitor. a. job control language b. multiprogram c. kernel d. utility
long-term
QN=8 The _________ scheduler determines which programs are admitted to the system for processing. a. long-term b. medium-term c. short-term d. I/O
short-term
QN=9 The ________ scheduler is also known as the dispatcher. a. long-term b. medium-term c. short-term d. I/O