COMPUTER BASICS

Question 1

A computer

Answer 1

is an electronic device that stores or retrieves data,

Question 2

Computer Types

Answer 2

microcomputers,
mainframes
supercomputers.

Question 3

Operating System

Answer 3

is low-level software that supports a computer’s basic functions,

Question 4

Software

Answer 4

is a set of programs designed to perform a well-defined function.

Question 5

Hardware difinition

Answer 5

is the physical components of a computer,

Question 6

Microcomputers

Answer 6

Desktop computers, laptops, tablets, smartphones, and calculators

Question 7

Mainframes

Answer 7

can process and store a huge amount of data.

healthو banks,educational institutions

Question 8

Supercomputers

Answer 8

are used for personalized
medicine, space exploration, earthquake studies

Question 9

Hardware componant

Answer 9

1. Input Units
   Keyboard mouse,Touchpad,
   Microphone,Scanner,Controller,
   Light Pen ,Digitizer,Webcam,Bar Code Reader

2.Output Units
Monitor ,Speaker ,Printer ,Projector

3. Storage Devices
   Hard Drive , Floppy Disk Drive
   Compact Disc, DVD, and Blu-ray Drive,USB Flash Drive

4.Central Processing Unit
Motherboard ,Random Access Memory,Expansion Cards, Power Supply Unit ,Case, Ports

Question 10

Software component

Answer 10

1. Operating System
   such as Unix, Linux, Mac OS, and Microsoft Windows,
2. Application Software
   Microsoft Office applications.
3. Device Drivers
   such as a printer, projector
4. Utilities

Question 11

Data Storage Units

Answer 11

• 1 bit (b) 0 or 1 = 1/8 of Byte
• 1 Byte (B) = 8 bits
• 1 Kilobyte (K = 1024 Bytes
• 1 Megabyte (MB) = 1024 KB
• 1 Gigabyte (GB) = 1024 MB
• 1 Terabyte (TB) = 1024 GB
• 1 Petabyte (PB) = 1024 TB
• 1 Exabyte (EB) = 1024 PB
• 1 Zettabyte (ZB) = 1024 EB
• 1 Yottabyte (YB) = 1024 ZB

Question 12

The bit

Answer 12

is the smallest unit to measure storage

Question 13

CPU Speed Units

Answer 13

a CPU works is measured in hertz (Hz).

Question 14

Network Speed Units

Answer 14

(bit/s) and bytes per second (B/s).

Question 15

Windows 10 Desktop

Answer 15

1. Background
2. Start Button
3. Task Bar
4. Notification Area
5. Date and Time
6. Action Center

Question 16

File Explorer component

Answer 16

1. Navigation pane
2. Forward and Back buttons
3. Ribbon
4. Address bar
5. Column headings
6. Search box
7. File and folder listing
8. Preview/Details pane
9. Status bar:

Question 17

View Basic Information About Your Computer

Answer 17

WIN + Pause button.

Question 18

Desktop Icons

Answer 18

Select Start > Settings > Personalization >
Themes > Desktop Icon Settings

Question 19

Display Setting

Answer 19

right-click your mouse and go to Display Settings.

Question 20

Virtual Desktops

Answer 20

WIN + Tab
Ctrl + WIN + D button.

Question 21

Region and Language Option

Answer 21

the Windows logo > Settings > Time &Language > Region & Language > Add a Language.

Question 22

Installing and Uninstalling Applications

Answer 22

Start Menu > Settings > System > Apps & Features

WIN + R, then type “appwiz.cpl”.

Question 23

Working with File Explorer

Answer 23

pressing WIN + E button.

Question 24

Microsoft Word

Answer 24

is a word processing application inside Microsoft Office

Question 25

How To: * Create a New Document * Open a Document * Save a Document * Print or Preview a Document * Send your Document as Email or Save it in the Cloud * Export Document to another format.

Answer 25

1. Ctrl + N. 2. Ctrl + O. 3. Ctrl + S 4.Ctrl +P 5.Click File tab and select Share 6. Ctrl + W or Ctrl + F4.

Question 26

Network Types

Answer 26

(LAN) connects network devices in a small area, (WAN) connects network devices in a wide area. (WLAN) connects network devices using wireless technologies such as Wi-Fi. (Intranet) is a network, usually implemented over a private LAN, that allows use of shared resources—such as a central database, (Extranet) is very similar to intranet, but it is implemented over a private WAN to support the demands of business organizations. It can operate between buildings, cities, and countries. (Internet) is the system of global connections between all computer types around the world. Virtual Private Network (VPN) virtual connection over the Internet that can be used to communicate among private networks.

Question 27

A web search engine

Answer 27

is a program or system of software that searches the Internet using search terms specified by the user

Question 28

List of Search Engines

Answer 28

* Google.com * Bing. com * Yahoo.com * Baidu.com * Ask.com * AOL.com

Question 29

Microsoft Excel

Answer 29

is one of the most popular spreadsheet applications that helps you manage data, create visually persuasive charts, and produce thought-provoking graphs.

Question 30

Using Formulas

Answer 30

1. Parentheses – operations contained in parentheses are executed first 2. Exponents – exponents are executed second 3. Multiplication / Division 4. Addition / Subtraction

Question 31

change when copied,

Answer 31

A$2 “The row does not change when copied,” $A2 “The column does not change when copied.”)

Question 32

How To: * Format Text * Copy Formatting

Answer 32

1. Ctrl + Shift + P 2. Ctrl + Shift + C & Ctrl + Shift + V.