600 PPSC Lecturer Computer Science Mcqs For PPSC PDF

Clearly read important Computer Science  MCQS For all Exams.These Computer Science Mcqs Contain  of  Science & technology related Mcqs. Get prepared from the top mcqs and get success.Be ready to secure your future by reading it. These Computer Science questions are very important for all type of exams conducted by PPSC and other testing agencies of Pakistan.

The “cmp” instruction modifies the:

i. Instruction register
ii.Flags register
iii.Segment register
iv.None of these

v.All of these

The Banker‟s algorithm is used to The Banker‟s algorithm is used to

i. Rectify deadlock
ii. Detect deadlock
iii. Prevent deadlock
iv. Avoid deadlock
v. None of these

Exception handling is a powerful tenchnique that separates error-handling code from ______ code

i. Buggy
ii. Faulty
iii. Normal
iv. Exceptional
v. None of these

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the

i. Stack pointer
ii. Accumulator
iii. Programs counter
iv. Stack
v. None of these

What value will return to the operating system upon the successful completion of a program?

i. 1
ii. 2
iii. 0

v. -1
iv. None of these

The language used in application programs to request data from the DBMA is reffered to as the:

i. DML
ii. DDL
iii. VDL
iv. SDL
v. None of these

What is the correct XHTML for a paragraph?
i. <P></p>
ii. <P></P>
iii. <p></p>
iv. </p><p>

v.None of these

Which of the follwoing HTML form method is suitable when you need to send larger form submission?

i. Get
ii. Post
iii. Both Get and Post
iv. Ajax
v. None of these

(2,4) is a point on a circle that has senter at the origion. Which of the follwoing points are also on circle?

i. (2,-4)
ii. (-2,4)
iii. (4,-2)
iv. All of the above
v. None of these

In Bresenham‟s algorithm, while generating a circle, it is easy to generate?

i. One octant first and other by successive reflection
ii. One octant first and other by successive rotation
iii. One octant first and other by successive translation
iv. All octants
v. None of these

Which of the following operations need the participating relations to be union compatible?

iv. All of these
v. None of these

Choose the correct statement
i. Testing can show the presence of bugs but never their absence
ii. Testing can always find all the bugs
iii. Testing can always be exhaustive
iv. If we test enough then we can find all of the bugs
v. None of these

The advantages of creating a prototype are
i. It allows developers to experiment with number of different
design options.
ii. It can serve as means of communication between developers
and customers.
iii. It is better than water fall model
iv. Both a and b
v. None of these

Which of the following is TRUE about given UML diagram?
i. Checking Accound is a generalization of Saving Account
ii. Bank Account is composition of Checking Account and Saving
iii. Saving Account can process Check
iv. Checking Account has a balance?
v. None of theses

Binary tree “preorder” traversal is defined recursively as follows
i. Traverse left subtree, visit the root, traverse right subtree

ii. Traverse right subtree, visit the root, traverse left subtree
iii. Visit the root, traverse left subtree, traverse right subtree
iv. traverse left subtree, traverse right subtree, visit the root
v. None of these

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