______________ policy allows multiple updates to accumulate on a block before it is output to stable storage, which can reduce the number of output operations greatly for frequently updated blocks.

Directions: A string of words is fed into a computing machine. It processes the input and gives an output in the following manner: Input: Honesty is the best policy. Step 1: is Honesty the best policy Step 2: is the Honesty best policy Step 3: is the best Honesty policy Step 4: is the best policy Honesty Output: is the best policy Honesty Now, If the input is "A rolling stone gathers no moss", what will be the fifth word in the string after 4 steps?

A

Moss

B

No

C

Stone

D

A

A bus picks up a group of tourists at a hotel. The sightseeing bus travels 2 blocks north, 2 blocks east. I block south, 2 blocks east, and 1 block south. Where is the bus in relation to the hotel?

A

2 blocks north

B

1 block west

C

3 blocks south

D

4 blocks east

Before a block of data in main memory can be output to the database, all log records pertaining to data in that block must have been output to stable storage. This is

A

Read-write logging

B

Read-ahead logging

C

Write-ahead logging

D

None of the mentioned

Pyroxenes are class of silicate minerals, which exhibit a polymeric chain structure, as shown below
S-Block and P-Block Elements mcq question image

S-Block and P-Block Elements mcq question image

Its simplest repeating unit is

A

^4-

B

^2-

C

^6-

D

^6-

A house has a number which needs to be identified. The following three statements are given that can help in identifying the house number. If the house number is a multiple of 3, then it is a number from 50 to 59. If the house number is NOT a multiple of 4, then it is a number from 60 to 69. If the house number is NOT a multiple of 6, then it is a number from 70 to 79. What is the house number?

A

54

B

65

C

66

D

76

Which of the following are true statements? I: Primary storage units have faster access time and less storage capacity as compared to the secondary storage units. II: Primary storage units have sequential access. III: Secondary storage units are non-volatile storage.

A

I and II only

B

I and III only

C

II and III only

D

All I, II and III

How many blocks away will Fred be from his starting p;ace if he travels two blocks north , then three blocks east, and then two blocks south?

A

Four

B

Two

C

Three

D

Zero

How many blocks away will Fred be from his starting place if he travels two blocks north, then three blocks east and then two blocks south?

A

Four

B

Two

C

Three

D

Zero

Consider the following questions: A): Five wheel rotations on a bike takes you 12 yards. How many wheel rotations will be required to go 60 yards? B): In a college, 5 out of every 8 seniors live in apartments. Out of 30 seniors how many are likely to live in apartment? C): John and Lisa were walking at the same speed. Lisa started first. When Lisa has walked 6 blocks, john has walked 2 blocks. How many blocks would John cover when Lisa has covered 12 blocks. Choose the correct option.

A

Question (A) requires proportional thinking while (B) is an example of a question on probability.

B

Both questions (A) and (B) are an example of questions based on proportional thinking.

C

Both questions (A) and (C) are an example of questions based on proportional thinking.

D

Only question (C) is an example of question based on proportional thinking.

A block of mass M, supporting another block of mass m, is moved horizontally with an increasing acceleration from zero. If μ is the coefficient of static friction between the blocks, the acceleration at which the upper block slips on the lower block is

A

μm/g

B

μg

C

\(\frac{{\mu mM}}{{m\;+\;M}}\)

D

None of the above

______________ policy allows multiple updates to accumulate on a block before it is output to stable storage, which can reduce the number of output operations greatly for frequently updated blocks.

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