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# Societe Generale Placement Questions & Answers :: Societe Generale

25.56K

## Total Qs: 224+

NA
SHSTTON
28
Solv. Corr.
198
Solv. In. Corr.
226
Attempted
0 M:0 S
Avg. Time

31 / 224

Choose the correct option.

A 12 address lines maps to the memory of

A1k bytes

B0.5k bytes

C2k bytes

DNone of these

Explanation:

Here is no explanation for this answer

NA
SHSTTON
84
Solv. Corr.
212
Solv. In. Corr.
296
Attempted
0 M:0 S
Avg. Time

32 / 224

Choose the correct option.

Consider a machine with 64 MB physical memory and a 32-bit virtual address space. If the page size s 4KB, what is the approximate size of the page table?

A16 MB

B8 MB

C2 MB

D24 MB

Explanation:

Number of pages = 232 / 4KB = 220 as we need to map every possible virtual address.

So, we need 220 entries in the page table. Physical memory being 64 MB, a physical address must be 26 bits and a page (of size 4KB) address needs 26-12 = 14 address bits. So, each page table entry must be at least 14 bits.

So, total size of page table = 220 * 14 bits ~ 2 MB

NA
SHSTTON
113
Solv. Corr.
212
Solv. In. Corr.
325
Attempted
0 M:12 S
Avg. Time

33 / 224

Choose the correct option.

Size of virtual memory depends on

Asize of data bus

Csize of main memory

Dnone of above

Explanation:

Here is no explanation for this answer

NA
SHSTTON
76
Solv. Corr.
127
Solv. In. Corr.
203
Attempted
0 M:0 S
Avg. Time

34 / 224

Choose the correct option.

Thrashing can be avoided if

AThe pages, belonging to the working set of the programs, are in main memory

BThe speed of CPU is increased

CThe speed of I/O processor are increased

DAll of the above

Explanation:

Here is no explanation for this answer

NA
SHSTTON
146
Solv. Corr.
84
Solv. In. Corr.
230
Attempted
0 M:16 S
Avg. Time

35 / 224

Choose the correct option.

Disk scheduling includes deciding

Awhich should be accessed next

Border in which disk access requests must be serviced

Cthe physical location of the file

Dthe logical location of the file

Explanation:

Here is no explanation for this answer

NA
SHSTTON
138
Solv. Corr.
172
Solv. In. Corr.
310
Attempted
0 M:37 S
Avg. Time

36 / 224

Choose the correct option.

Which is not a memory management scheme?

Abuddy system

Bswapping

Cmonitors

Dpaging

Explanation:

Here is no explanation for this answer

NA
SHSTTON
131
Solv. Corr.
158
Solv. In. Corr.
289
Attempted
0 M:0 S
Avg. Time

37 / 224

Choose the correct option.

Main function of shared memory is:

Ato use primary memory efficently

Bto do intra process communication

Cto do inter process communication

Dnone of above

Explanation:

Here is no explanation for this answer

NA
SHSTTON
44
Solv. Corr.
184
Solv. In. Corr.
228
Attempted
1 M:32 S
Avg. Time

38 / 224

Choose the correct option.

How many primary partitions can be created?

A1

B2

C3

D4

Explanation:

Here is no explanation for this answer

NA
SHSTTON
21
Solv. Corr.
178
Solv. In. Corr.
199
Attempted
0 M:0 S
Avg. Time

39 / 224

Choose the correct option.

Reference bit is used for

AImplementing LRU page replacement algorithm

BImplementing NRU algorithm

CTo check the page table entry in the cache memory

DNone of Above

Explanation:

Here is no explanation for this answer

NA
SHSTTON
41
Solv. Corr.
187
Solv. In. Corr.
228
Attempted
0 M:24 S
Avg. Time

40 / 224

Choose the correct option.

Which of the following is not a system file?

APacket switching

B.com

C.ini

Dnone