NECO Past Questions and Answers - Page 118

586.

What is the decimal equivalent of the binary number 10110111?

A.

180

B.

181

C.

183

D.

184

E.

186

Correct answer is C

No explanation has been provided for this answer.

587.

The mechanical counting device called pascaline was invented by......... pascal? 

A.

Blaize

B.

Bloom

C.

John

D.

Philip

E.

Susan

Correct answer is A

No explanation has been provided for this answer.

588.

Search engines are used for the following except? 

A.

finding pages of information or data.

B.

downloading educational material

C.

displaying advertisement

D.

downloading music and videos

E.

handling virus attacks

Correct answer is E

No explanation has been provided for this answer.

589.

When a file or folder is deleted, it goes to the? 

A.

Hard disk

B.

Memory

C.

Monitor

D.

Recycle bin

E.

System unit

Correct answer is D

No explanation has been provided for this answer.

590.

What is the other word used to describe browsing?

A.

Cyber cafing

B.

Pinging

C.

Searching

D.

Surfing

E.

Uploading

Correct answer is D

No explanation has been provided for this answer.