NCO- Cyber Olympiad (SOF) Class 7: Questions 382 - 385 of 422

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Question 382

Question MCQ▾

Which of the following storage media provides sequential access to data?

Choices

Choice (4)Response

a.

Magnetic tap

b.

Optical disk

c.

Magnetic disk

d.

Floppy disk

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Question 383

Appeared in Year: 2011

Question MCQ▾

All of the following are examples of electronic databases except which one?

Choices

Choice (4)Response

a.

A CD-ROM encyclopedia

b.

Online catalog

c.

Computerised student information

d.

A collection of country music CDs

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Question 384

Question MCQ▾

The graph shows the petrol efficiency of several cars.

Chart Representing the Data

Choices

Choice (4)Response

a.

Car 1 can travel only half the distance of car 4 on the same amount of petrol

b.

The median value for efficiency of all the cars is 30 km per liter

c.

All the cars meet the federal guidance for fuel efficiency of at least 21 km per liter

d.

The difference in mileage between the most efficient car and the least efficient car is more than 15 km per liter

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Question 385

Question MCQ▾

The benefits of using computers are that ________.

Choices

Choice (4)Response

a.

Computers are very fast and can store huge amounts of data

b.

Computers are designed to be inflexible

c.

Computers produce accurate output even when the input is incorrect

d.

Question does not provide sufficient data or is vague

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