JAMB Computer Science Past Questions & Answers - Page 41

201.

The process of feeding instructions into the computer system is called

A.

Processing

B.

Accessing

C.

Inputting

D.

Outputting

Correct answer is C

In computer science, the general meaning of input is to provide or give something to the computer, in other words, when a computer or device is receiving a command or signal from outer sources, the event is referred to as input to the device

202.

________ is the process of dividing the disk into tracks and sectors

A.

Tracking

B.

Formatting

C.

Crashinng

D.

Allotting

Correct answer is B

The correct answer is Formatting. The process of dividing the disk into tracks and sectors is called formatting. In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc. When a disk undergoes a low-level format, it is divided into tracks and sectors

203.

What is the shortcut key to "undo" last action on a Microsoft word page?

A.

Ctrl + A

B.

Ctrl + U

C.

Ctrl + X

D.

Ctrl + Z

Correct answer is D

To undo an action press Ctrl+Z. If you prefer your mouse, click Undo on the Quick Access Toolbar. You can press Undo (or CTRL+Z) repeatedly if you want to undo multiple steps

204.

In Microsoft Excel, sheet tabs can be renamed by ______

A.

Double-clicking any column

B.

Double-clicking any row

C.

Double-clicking on the sheet tab; entering the new name

D.

Going to File, and clicking Save As

Correct answer is C

This is the quickest way to rename a sheet. Double left click on the sheet tab which you would like to rename

205.

What is the primary purpose of Microsoft Excel?

A.

To write essays

B.

To show a slide presentation

C.

To solve problems involving numbers

D.

To keep students updated in the latest Microsoft Office product

Correct answer is C

Microsoft Excel is a spreadsheet application designed to perform basic and complex mathematical computations and functions