PPSC Lecturer of Computer Science sample papers

Lecturer Computer Science Test 1 Online Preparation MCQs

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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 1
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 1

1 / 25

MSI stands for:

Medium Scale Integrated Circuits

Medium System Integrated Circuits

Medium Scale Intelligent Circuit

2 / 25

In MS-Access to Refresh the contents of a Lookup field (Lookup field: A field, used on a form or report in an Access database, that either displays a list of values retrieved from a table or query, or stores a static set of values.) list box or combo box:

F4 or ALT+DOWN ARROW

PAGE DOWN

DOWN ARROW

3 / 25

Which is a permanent database in the general model of compiler?

Literal Table

Terminal Table

Source code

Identifier Table

4 / 25

The access method in Bluetooth is ………………

TDD - TDMA

CDMA

FDMA

None of the above

5 / 25

In priority scheduling algorithm, when a process arrives at the ready queue, Its priority is compared with the priority of:

Init process

Parent process

All process

Currently process

6 / 25

The main difference between JK and RS flip-flop is that?

JK flip-flop is acronym of junction cathode multivibrator

JK flip-flop does not need a clock pulse

JK flip-flop accepts both inputs as 1

there is feedback in JK flip-flop

7 / 25

The process that are residing in main memory for execution are kept on a list called:

Execution queue

Ready queue

Job queue

Process queue

8 / 25

Which of the following derivation a top-down parser use while parsing an input string? The input is assumed to be scanned in left to right order ?

Leftmost derivation traced out in reverse

Leftmost derivation

Rightmost derivation traced out in reverse

Rightmost derivation

9 / 25

In asynchronous transmission, the gap time between bytes is ……………….

Zero

Fixed

a function of the data rate

Variable

10 / 25

Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?

First-come first-served scheduling

Priority scheduling

None of these

Shortest job scheduling

11 / 25

Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called... ?

Static loading

Dynamic linking

Dynamic loading

Overlays

12 / 25

Time quantum is defined in:

Round robin scheduling algorithm

Multilevel queue scheduling algorithm

Shortest job scheduling

Priority scheduling algorithm

13 / 25

Interval from the time of submission of a process to the time of completion is termed as:

Response time

Throughput

Waiting time

Turnaround time

14 / 25

Which module gives control of the CPU to the process selected by the short-term scheduler?

Dispatcher

None of these

Scheduler

Interrupt

15 / 25

A memory page containing a heavily used variable that was initialized very early and is in replacement algorithm used is:

LRU

None of these

LFU

FIFO

16 / 25

What is the structured approach called for developing software and information systems?

Prototyping

Systems methodology

SDLC

Software design

17 / 25

In multilevel feedback scheduling algorithm:

Classification of ready queue is permanent

Processes are not classified into groups

None of the mentioned

A process can move to a different classified ready

18 / 25

In priority scheduling algorithm:

CPU is allocated to the process with lowest priority

None of these

Equal priority processes cannot be scheduled

CPU is allocated to the process with highest priority

19 / 25

Which one of the following cannot be scheduled by the kernel?

None of these

Kernel level thread

User level thread

Process

20 / 25

In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with:

recognition of basic syntactic constructs through reductions.

creation of more optional matrix.

use of macro processor to produce more optimal assembly code

recognition of basic elements and creation of uniform symbols

21 / 25

Which logic family dissipates the minimum power?

DTL

TTL

ECL

CMOS

22 / 25

Al systems bases on the human brain’s ability to differentiate patterns are called:

Neural networks

Fuzzy logic systems

Robotic systems

Expert systems

23 / 25

Where does the DNS reply go to in a single HTTP redirect?

DNS Server

Browser

Server

Client

24 / 25

IEEE has defined the specifications for a wireless LAN, called ………………..which cover the physical data link layers.

IEEE 802.2

IEEE 802.5

IEEE 802.11

IEEE 802.3

25 / 25

What was originally called the "imitation game" by its creator?

The Logic Theorist

LISP

The Turing Test

Cybernet ics

Your score is

The average score is 43%

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