PPSC Lecturer Computer Science Past Papers

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.
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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

To locate a data item for storage is:

Fetch

Field

Database

Feed

2 / 25

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

None of these

Physical

Absolute address

Logical address

3 / 25

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

it is too complex

It requires a lot of information.

It is extremely expensive

It requires future knowledge of the reference string

4 / 25

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

Return signal

Permission signal

Service signal

Interrupt acknowledge

5 / 25

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

memory allocation

virtual storage

prioritized memory

interrupts

6 / 25

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

paper tapes

card punch

magnetic tape

punched papers tape

7 / 25

Which one is a valid declaration of a boolean?

boolean b1 = 1;

boolean b2 = ‘false’;

boolean b3 = false;

boolean b4 = ‘true’

8 / 25

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

Super computer

Minicomputer

Microcomputer

Macro computer

9 / 25

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

Real time

Execution time

Down time

Delay times

10 / 25

A relational database consists of a collection of:

Records

Fields

Keys

Tables

11 / 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.

12 / 25

The aim of creating page replacement algorithm is to:

Decrease the page fault rate

To allocate multiple page to process.

Increase the page fault rate

Replace pages faster

13 / 25

Programs designed to perform specific tasks is known as:

system software

operating system

utility programs

application software

14 / 25

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

Processor register

Processor slack

System heap

Memory

15 / 25

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

None of these

Mapping

Fragmentation

Paging

16 / 25

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

Status register

Program Counter

Instruction register

Program status word

17 / 25

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

None of these

PCI

CPU

Memory management unit

18 / 25

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

Entry

Column

Key

Row

19 / 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.

Save Fonts

Save True Type Fonts

Embed True Type Fonts

Embed Fonts

20 / 25

Optimal page – replacement algorithm is:

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

None of these

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

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

21 / 25

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

Page after and before it

All of these

Size of the page in memory

Time it was brought into memory

22 / 25

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

Set

Relation

Schema

Domain

23 / 25

The Interrupt request line is a part of the:

Control line

None of these

Address line

Data line

24 / 25

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

Page after and before it

The time of that pages last use

Time it was brought into memory

All of these

25 / 25

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

Cache

Accumulator

Disk buffer

Slack pointer

Your score is

The average score is 0%

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