PPSC Lecturer of Computer Science past 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

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

None of these

User level thread

Process

Kernel level thread

2 / 25

Time quantum is defined in:

Multilevel queue scheduling algorithm

Priority scheduling algorithm

Round robin scheduling algorithm

Shortest job scheduling

3 / 25

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

JK flip-flop is acronym of junction cathode multivibrator

there is feedback in JK flip-flop

JK flip-flop does not need a clock pulse

JK flip-flop accepts both inputs as 1

4 / 25

MSI stands for:

Medium System Integrated Circuits

Medium Scale Integrated Circuits

Medium Scale Intelligent Circuit

5 / 25

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

Literal Table

Terminal Table

Identifier Table

Source code

6 / 25

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

Prototyping

Systems methodology

Software design

SDLC

7 / 25

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

Scheduler

None of these

Interrupt

Dispatcher

8 / 25

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

IEEE 802.3

IEEE 802.5

IEEE 802.11

IEEE 802.2

9 / 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... ?

Dynamic linking

Dynamic loading

Overlays

Static loading

10 / 25

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

FIFO

LRU

None of these

LFU

11 / 25

In priority scheduling algorithm:

CPU is allocated to the process with lowest priority

None of these

CPU is allocated to the process with highest priority

Equal priority processes cannot be scheduled

12 / 25

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

Process queue

Ready queue

Job queue

Execution queue

13 / 25

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

None of the above

CDMA

TDD - TDMA

FDMA

14 / 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

Rightmost derivation

Rightmost derivation traced out in reverse

Leftmost derivation

15 / 25

Which logic family dissipates the minimum power?

TTL

ECL

CMOS

DTL

16 / 25

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

DNS Server

Browser

Client

Server

17 / 25

In multilevel feedback scheduling algorithm:

Processes are not classified into groups

Classification of ready queue is permanent

None of the mentioned

A process can move to a different classified ready

18 / 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

DOWN ARROW

PAGE DOWN

19 / 25

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

The Logic Theorist

Cybernet ics

LISP

The Turing Test

20 / 25

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

recognition of basic elements and creation of uniform symbols

use of macro processor to produce more optimal assembly code

recognition of basic syntactic constructs through reductions.

creation of more optional matrix.

21 / 25

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

Turnaround time

Waiting time

Response time

Throughput

22 / 25

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

All process

Parent process

Currently process

Init process

23 / 25

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

Fuzzy logic systems

Neural networks

Expert systems

Robotic systems

24 / 25

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

Shortest job scheduling

None of these

Priority scheduling

First-come first-served scheduling

25 / 25

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

Zero

a function of the data rate

Fixed

Variable

Your score is

The average score is 26%

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