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Placement Materials & Answers-Free Download


Software Companies Placement Papers-Globaledge-Free Download

1)Remove the odd ones

a)job scheduler b)long term scheduler c)medium term scheduler

d)process term scheduler

ans:d

2) long term scheduler is also known as

a)cpu scheduler b)job scheduler c)middle term scheduler d)none of these

ans:b

3)which one is not in the process state

a)ready b)run c)terminated d)none of these

ans: d

4)Switching the cpu to another process requires saving the state of the old process and loading the saved state is called

a)mode switch b)process switch c)context switch d)none

ans:c

GLOBAL EDGE Latest Fresher Engineer Placement Sample Question Paper 6 2005

5)which one is not in the compilation stage

a)lexical analyser

b)parser

c)assembler

d)code generator

ans:c

Operating System :

1. Round Robin algorithm is used in :

a. deadlock preventiom b. process management c . scheduling (1)

d . deadlock detection

2. Type of memory management used in unix os

a. swapping b. demand paging c . both a and b(1) d. none of the above

3. File system supported in Unix

a. ext2 b. ext3 c. a and b (1) d . none of the above

4. number of address bits in 8086 processor

a. 16 b. 20(1) c . 24 d. 12

5. which is the data type , which does'nt depend on the m/c

a. char(1) b. int c. float d.none

6. The int size depends on ?

a. ALU size(1) b. OS c. none OS Questions

1. Which is the most efficient page replacement algo -

a. LRU ( Correct - not v sure )

b. LFU

c. FIFO

d. LIFO

2. Compaction comes into picture in -

a. Paging

b. Sheduling

c. Segmentation ( Correct )

d. File Management

3.Which systems support both Real Mode / Protected Mode -

a. Intel 386 and higher ( Correct)

b. Intel 286 and higher

c. Pentium series only

d. None of teh above

4. High Paging Activity leads to -

a. Swapping

b. Compaction

c. Thrashing ( Correct)

d. External Fragmentation

5. Which are the necessary conditions for deadlock

a. Mutual Exclusion

b. Non preemption

c. Circular wait

d. Hold and wait

e. All of the above ( Correct)

1) Gateway is the one which

choice(s) : ---------

(a) Supports Multiple Protocols within same Network

(b) Routes Messages / Packets within same Network , having single protocol

(c) Supports Muliple Protocols of two / more Different Networks

(d) Routes Messages / Packets to differnt Networks,having same protocol b/w them

2) Size of ATM packet , in bytes

choice(s) :

--------- (a)34

(b)53

(c)33

(d)32

3) Where is the Bootstrap Loader present physically ?

Choice(s) :

(a) HDD (b) BIOS ROM (c) First Track Zeroth Cylinder Zeroth Sector (d) Zeroth Track Zeroth Cylinder First Sector

4) Major Difference b/w Switches & Routers is

(a)No Difference between them

(b)Switches work in Data Link Layer & Routers in Network Layer of OSI model

(c)Switches divides the bandwidth across the various Devices connected whereas

Routers Preserve Bandwidth.

(d)Routers have more intelligence than switches in routing a packet & able to

adjust to the environmental changes Dynamically

5) Difference between a Hub & a Repeater

(a) Hub is used in Network Layer & Repeater at Physical Layer

(b) Hub & Repeater both are same

(c) Hub is a Repeater

(d) Hub divides Bandwith among various Machines whereas Repeater doesnot

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