PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 53

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test Name Lecturer Computer Science 
Subject Computer Science Test 53
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100
0%

You have 20 minutes to pass to the quiz.


Lecturer Computer Science Online Test No. 53

1 / 25

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

2 / 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

3 / 25

In Responsive real time operating system:

4 / 25

When pre cleaning policy is applied inmemory management:

5 / 25

In memory management when demand cleaning policy is applied:

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

The deterministic operating system:

9 / 25

Hard real-time tasks are:

10 / 25

The real time task:

11 / 25

In real time computing:

12 / 25

For Load-time dynamic linking:

13 / 25

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

14 / 25

The principle of locality states:

15 / 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.

16 / 25

In soft real time tasks:

17 / 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.

18 / 25

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

19 / 25

Relative address in memory management is:

20 / 25

In thread scheduling, load sharing is referred to:

21 / 25

Main memory 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

Resident set of process is:

24 / 25

Physical address in memory management is:

25 / 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.

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