Q:

Which one of the following is the cause for a change in the season?

A) Earth’s Rotation and Revolution	B) Earth’s Rotation
C) Earth’s Revolution	D) None of the above

Answer & Explanation Answer: C) Earth’s Revolution

Explanation:

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Filed Under: World Geography

0 2343

Q:

The Earth's population has ________since the turn of the century

A) Stayed the same	B) doubled
C) trebled	D) multiplied ten times

Answer & Explanation Answer: C) trebled

Explanation:

The population increases in geometrical progression and has crossed the 5 billion mark. The united nations estimate an average growth rate of 1.5% per annum.

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Filed Under: World Geography

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Q:

What are operating system services?

Answer

Program execution

I/O operations

File system manipulation

Communication

Error detection

Resource allocation

Accounting

Protection

Workspace

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Subject: Operating Systems

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Q:

When was the voting machine invented?

A) 1980	B) 1892
C) 1989	D) 1920

Answer & Explanation Answer: B) 1892

Explanation:

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Filed Under: Inventions
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2 2343

Q:

Who is called 'the father of modern African writing " novelist?

Answer

Chinua Achebe.

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Subject: Famous Personalities

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Q:

What is CPU Scheduler?

Answer

Selects from among the processes in memory that are ready to execute, and allocates the CPU to one of them. CPU scheduling decisions may take place when a process: 1.Switches from running to waiting state. 2.Switches from running to ready state. 3.Switches from waiting to ready. 4.Terminates. Scheduling under 1 and 4 is non-preemptive. All other scheduling is preemptive.

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Subject: Operating Systems

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Q:

The NAM sumit which demanded expansion of the United Nation Security Council had met at

A) Cairo	B) Jakarta
C) Teheran	D) Harare

Answer & Explanation Answer: B) Jakarta

Explanation:

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Filed Under: World Organisations

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Q:

What are the UNESCO's focus areas in the cultural field

A) The link between culture and development	B) Action to conserve and protect the world cultural inheritance
C) By assisting member States in studying and preserving both physical and the non Physical heritage of their societies	D) All the above

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