Operating Systems Concepts - Section 8 Multiple Questions and Answers.




6.In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
A. absolute mode
B. immediate mode
C. index mode
D. modulus mode

7.Under virtual storage,
A. a single program is processed by two or more CPUs
B. two or more programs are stored concurrently in primary storage
C. only the active pages of a program are stored in primary storage
D. interprogram interference may occur

8.A base register table
A. allows the programmer to write base registers and displacements explicitly in the source program.
B. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
C. allows multiple programs to reside in separate areas of core at the same time.
D. is a term that refers to the control programs of an operating system.

9.File record length
A. should always be fixed
B. Should always be variable
C. depends upon the size of the file
D. should be chosen to match the data characteristics

10.A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as
A. semaphore
B. mutual exclusion
C. multiprogramming
D. multitasking

«»



Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers