PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 53

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Computer Science 
SubjectComputer Science Test 53
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100

You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Online Test No. 53

1 / 25

When pre cleaning policy is applied inmemory management:

2 / 25

In real time computing:

3 / 25

The real time task:

4 / 25

Physical address in memory management is:

5 / 25

Hard real-time tasks are:

6 / 25

In multi processor scheduling; A: Gang scheduling, B: Dynamic scheduling, C: Dedicated processor management.; 1- The number of threads in a process can be altered during the course of execution. 2- This provides implicit scheduling defined by the assignment of threads to processors, 3- It is applied to the simultaneous scheduling of threads that make up a single process.

7 / 25

Match the following I/O devices : A- Keyboard, 1- Human readable, B- Disk and tape drives, 2- Communication, C- Modems, 3-Machine readable:

8 / 25

In two level scheme for page table, if one assume byte-level addressing and 4-kbyte (212 pages) then the 4-Gbyte (232) virtual address space is composed of:
(A) 210 pages

(B) 220 pages

(C) 230 pages

(D) 240 pages

9 / 25

Arrange the following I/O device in increasing data rate Hard disk, Floppy disk, Key board:

10 / 25

A Absolute loading B Re-locatable loading C Dynamic Run-Time loading; 1. For loader, load module, either is an absolute main memory address or specific address reference. 2. For loader, load modules have no absolute address. 3. For loader, load modules have all memory reference in relative form.

11 / 25

The deterministic operating system:

12 / 25

In Responsive real time operating system:

13 / 25

Resident set of process is:

14 / 25

In memory management : A- Fetch Policy BCleaning Policy C- Placement Policy: 1- It determines when a modified page should be written out to secondary memory. 2- It determines when a page should be bought into main memory. 3- It determines where in real memory a process piece is to be reside.

15 / 25

Relative address in memory management is:

16 / 25

In two level scheme if each page is mapped by 4-byte (22) page table entry then to create a page table composed of 220 page table entry one requires:
(A) 222 bytes

(B) 212 bytes

(C) 216 bytes

(D) None of these.

17 / 25

In virtual memory management, when local control policy is applied:

18 / 25

In soft real time tasks:

19 / 25

The principle of locality states:

20 / 25

In thread scheduling, load sharing is referred to:

21 / 25

Memory that is located on the disk either Hard or floppy is referred as:

22 / 25

In real time scheduling: A: Static table driven approach, B: Static priority driven preemptive approach, C: Dynamic planning based approach; 1- A static analysis of feasible scheduler of dispatching is done and implemented. 2- A static analysis of feasible schedules of dispatching is done and assigns priorities to tasks. 3- Feasibility is determined at run time.

23 / 25

Main memory is referred as:

24 / 25

For Load-time dynamic linking:

25 / 25

In memory management when demand cleaning policy is applied:

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