Hardware devices that are not part of the main computer system and are often added later to the system.

Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?

A

Star

B

Right

C

Token-Ring

D

Ethernet

E

Bus

Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?

A

pq + (1 - p) (1 - q)

B

(1 - q)p

C

(1 - p)q

D

pq

The processing, which normally consists of a small computer with one or more peripheral devices, connected via a high-speed line to the large control computer is known as

A

On-line processing

B

Remote-terminal processing

C

Batch mode processing

D

Intelligent terminal Processing

E

None of the above

The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average-

A

40.2

B

40.4

C

40.6

D

40.8

the average age of 12 children is 20 years. If the age of one more child is added, the average decreased by 1. What is the age of child added later?

A

5

B

7

C

19

D

20

Which is the layer of a computer system between the hardware and the user program

A

Operating environment

B

Operating system

C

System environment

D

None

Cartoonist Schulz as a boy was teased by others for being small and not very good at sports, and art. He had few friends and was too shy to talk to a red-haired girl be admired. Later in life, schulz used his childhood experiences in his successful comic strip Peanuts : the strip's main character, the sad and lonely Charlie Brown, represents Shulz as a little boy. What is the main idea of the passage?

A

Peanuts was the most widely read comic strip

B

Schulz was a very famous cartoonist.

C

Schulz turned the pain of his youth into success

D

Peanuts featured children as its only characters

What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?

A

Application failure

B

Instance Failure

C

Media Failure

D

Rollback failure

The hardware in which data may be stored for a computer system is called

A

Registers

B

Bus

C

Control unit

D

Memory

E

Chip

Which of the following is not computer hardware?

A

Monitor

B

MS paint

C

RAM

D

Keyboard

Hardware devices that are not part of the main computer system and are often added later to the system.

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