When does a process issues an I/O request?

Related Mcqs:

1. The basic architecture of computer was developed by___________?

   A. John Von Neumann
   B. Charles Babbage
   C. Blaise Pascal
   D. Garden Moore

2. Who is the father of Computer science?

   A. Allen Turing
   B. Charles Babbage
   C. Simur Cray
   D. Augusta Adaming

3. Which of the following is not a valid variable name declaration?

   A. int __ a3
   B. int __ 3a
   C. int __ A3
   D. None of these

   Submitted by: Ali Nawaz raza

4. How many carrier frequencies are used in BASK?

   A. 2
   B. 1
   C. 0
   D. None of these

   Submitted by: Inam ul haq

5. Which multiplexing technique involves signals composed of light beams?

   A. FDM
   B. TDM
   C. WDM
   D. None of these

   Submitted by: Inam ul haq

6. The number of colors a CGA monitor displays are ____________.

   A. 4
   B. 16
   C. 64
   D. 256

   Submitted by: Inam ul haq

7. The BCPL language was developed in 1967 by ___________?

   A. Martin Richards
   B. Ken Thompson
   C. Dennis Ritchie
   D. None of these

   Submitted by: Muhammad Zulqarnain

8. C is widely known as development language of __________ OS.

   A. Windows
   B. Mac OS
   C. Linux
   D. Unix

   Submitted by: Muhammad Zulqarnain

9. UNIX has been developed in which language?

   A. FORTRAN
   B. B
   C. JAVA
   D. C

   Submitted by: Muhammad Zulqarnain

10. Task of allocation and de-allocation of memory space to programs is performed by

    A. User Interface
    B. Memory management
    C. Booting
    D. Resource management

    Submitted by: Noor Ahmed