400 Computer Awareness MCQ Set-6
Q126. The Unix operating system was developed in the 1970s by:
A. Bell Labs
B. Microsoft Corporation
C. IBM
D. Apple Inc.
Answer – A. Bell Labs
Explanation-
Q127. ‘Safari’ is a type of:
A. Browser
B. Operating System
C. Programming Language
D. Database Management System
Answer – A. Browser
Explanation-
Q128. The protocol used for sending an email is:
A. POP3
B. SMTP
C. HTTP
D. FTP
Answer – B. SMTP
Explanation-
Q129. Bold and italic formatting are examples of:
A. Text Style
B. Font Size
C. Alignment
D. Bullets and Numbering
Answer – A. Text Style
Explanation-
Q130. The router is used in which layer?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Answer – C. Network Layer
Explanation-
Q131. The brain of any computer system is:
A. CPU
B. RAM
C. Hard Disk
D. Motherboard
Answer – A. CPU
Explanation-
Q132. Which language is used by a computer to process data?
A. Binary
B. Assembly
C. High-level
D. Machine
Answer – A. Binary
Explanation-
Q133. Any data or instruction entered into the memory of a computer is called:
A. Input
B. Output
C. Process
D. Storage
Answer – A. Input
Explanation-
Q134. Which material is used in the manufacturing of an electric heater coil?
A. Copper
B. Aluminum
C. Nichrome
D. Steel
Answer – C. Nichrome
Explanation-
Q135. Which is a light-sensitive device used for converting images to their digital form?
A. Scanner
B. Printer
C. Monitor
D. Webcam
Answer – A. Scanner
Explanation-
Q136. ‘Homepage’ is a word associated with:
A. Web browser
B. Email
C. Social media
D. Web page
Answer – D. Web page
Explanation-
Q137. The __________ Bar is located at the top of WordPad/Notepad:
A. Menu bar
B. Title bar
C. Status bar
D. Formatting bar
Answer – B. Title bar
Explanation-
Q138. In Microsoft Word, … allows us to change the color of selected text:
A. Font style
B. Font size
C. Font color
D. Paragraph alignment
Answer – C. Font color
Explanation-
Q139. ____________ are designed to read and interpret HTML:
A. Browsers
B. Servers
C. Operating systems
D. Databases
Answer – A. Browsers
Explanation-
Q140. Which is a modifier key on a computer keyboard?
A. Caps Lock
B. Enter
C. Shift
D. Delete
Answer – C. Shift
Explanation-
Q141. In IT, the technique used to increase bandwidth is:
A. Memory Interleaving
B. Data Compression
C. Cache Memory
D. Error Correction Codes
Answer – A. Memory Interleaving
Explanation-
Q142. Which is the default body font in Microsoft Word 2007?
A. Arial
B. Times New Roman
C. Calibri
D. Verdana
Answer – C. Calibri
Explanation-
Q143. Constantly running system processes are known as:
A. Daemons
B. Threads
C. Services
D. Executables
Answer – A. Daemons
Explanation-
Q144. ‘Notepad’ is a text editor in which operating system?
A. Windows
B. macOS
C. Linux
D. Android
Answer –A. Windows
Explanation-
Q145. The fundamental purpose of BIOS is to:
A. Initialize and test system hardware components
B. Manage network connections
C. Store user files and documents
D. Control application software
Answer – A. Initialize and test system hardware components
Explanation-
Q146. Which output device is used for translating information from a computer into pictorial form on paper?
A. Printer
B. Plotter
C. Monitor
D. Projector
Answer – B. Plotter
Explanation-
Q147. The idea of the integrated circuit was first given by:
A. Bill Gates
B. Steve Jobs
C. Geoffrey Dummer
D. Charles Babbage
Answer – C. Geoffrey Dummer
Explanation-
Q148. The command that merges the contents of one file to another is:
A. MERGE
B. APPEND
C. CONCATENATE
D. COMBINE
Answer – B. APPEND
Explanation-
Q149. In MS Word, what is a gutter margin?
A. Margin for binding
B. Top margin
C. Bottom margin
D. Side margin
Answer – A. Margin for binding
Explanation-
Q150. Which company developed Java?
A. Apple
B. Microsoft
C. IBM
D. Sun
Answer – D. Sun
Explanation-
