PPSC Lecturer Computer Science old PAPER

Lecturer Computer Science Test 2 Online Preparation MCQs

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Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 2
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Practice Test 2

1 / 25

The return address from the interrupt services routine is stored on the:

Processor slack

System heap

Memory

Processor register

2 / 25

If y ou will be displaying or printing y our document on another c omputer, y ou’ll want to make sure and select the _____________ option under the ‘Save’ tab.

Embed Fonts

Embed True Type Fonts

Save True Type Fonts

Save Fonts

3 / 25

Run time mapping from virtual to physical address is done by:

None of these

Memory management unit

CPU

PCI

4 / 25

CPU fetches the instruction from memory according to the value of:

Program status word

Instruction register

Status register

Program Counter

5 / 25

Weak AI is:

All of the mentioned

a set of computer programs that produce output that would be considered to reflect intelligence if it were generated by humans

the embodiment of human intellectual capabilities within a computer

the study of mental faculties using mental models implemented on a computer.

6 / 25

Which one is a valid declaration of a boolean?

boolean b3 = false;

boolean b4 = ‘true’

boolean b2 = ‘false’;

boolean b1 = 1;

7 / 25

Memory management techniques in which system stores and retrieves data from secondary storage for used in main memory is called:

Mapping

Fragmentation

Paging

None of these

8 / 25

A FIFO replacement algorithm associates with each page the ………………….

Time it was brought into memory

Size of the page in memory

All of these

Page after and before it

9 / 25

To locate a data item for storage is:

Field

Fetch

Feed

Database

10 / 25

A ……………………..in a table represents a relationship among a set of values.

Row

Entry

Key

Column

11 / 25

LRU page – replacement algorithm associates with each page the …………………………..

All of these

The time of that pages last use

Time it was brought into memory

Page after and before it

12 / 25

Programs designed to perform specific tasks is known as:

operating system

system software

utility programs

application software

13 / 25

The technology whereby part of the program is stored on disk and is brought into memory for execution as needed is called:

virtual storage

prioritized memory

memory allocation

interrupts

14 / 25

Which one of the following is the address generated by CPU?

Physical

None of these

Logical address

Absolute address

15 / 25

The aim of creating page replacement algorithm is to:

To allocate multiple page to process.

Replace pages faster

Increase the page fault rate

Decrease the page fault rate

16 / 25

A memory buffer used to accommodate a spood differential is called:

Accumulator

Cache

Disk buffer

Slack pointer

17 / 25

For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute:

Set

Domain

Schema

Relation

18 / 25

Optimal page – replacement algorithm is:

None of these

Replace the page that will not be used for a long time.

Replace the page that has not been used for a long time

Replace the page that has been used for a long time.

19 / 25

The Interrupt request line is a part of the:

Address line

None of these

Data line

Control line

20 / 25

A relational database consists of a collection of:

Fields

Records

Tables

Keys

21 / 25

The signal sent to the device from the processor to the device after receiving an interrupt is:

Service signal

Interrupt acknowledge

Permission signal

Return signal

22 / 25

A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as:

Minicomputer

Macro computer

Super computer

Microcomputer

23 / 25

Time during which a job is processed by the computer is:

Delay times

Down time

Execution time

Real time

24 / 25

Optimal page – replacement algorithm is difficult to implement, because:

it is too complex

It requires future knowledge of the reference string

It is extremely expensive

It requires a lot of information.

25 / 25

Perforated paper used as input of output media is known as:

magnetic tape

card punch

paper tapes

punched papers tape

Your score is

The average score is 52%

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