Computer set 3 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 470 questions
Q.181 Which type of software acts as a bridge between hardware and user applications?
A Operating system
B Compiler
C Browser
D Firmware
Discuss / Board
Q.182 What is the output of an assembler?
A Object code (machine code)
B Assembly language
C High-level language
D Source code
Discuss / Board
Q.183 Which software development tool converts high-level language source code into an executable file?
A Compiler
B Interpreter
C Text editor
D Debugger
Discuss / Board
Q.184 A user reports that the computer starts but nothing appears on the screen. Which troubleshooting step is most logical first?
A Check monitor power and video cable connections
B Replace the hard drive
C Reinstall the operating system
D Clear the CMOS
Discuss / Board
Q.185 Which type of software license allows free distribution and modification of source code?
A Open source (e.g., GPL)
B Proprietary
C Shareware
D Freeware
Discuss / Board
Q.186 In MS Word, which feature inserts a pre-designed cover page?
A Insert > Cover Page
B Design > Themes
C Page Layout > Page Setup
D References > Cover Page
Discuss / Board
Q.187 What is the shortcut to open the 'Clipboard' pane in MS Word?
A Alt + H, F, O
B Ctrl + C twice
C Windows + V
D Ctrl + Shift + C
Discuss / Board
Q.188 In Excel, which function returns the number of characters in a cell excluding spaces?
A There is no direct function; use LEN(SUBSTITUTE(A1," ",""))
B LEN(TRIM(A1))
C CHARCOUNT(A1)
D LEN(A1)-LEN(SUBSTITUTE(A1," ","")) gives words, not characters
Discuss / Board
Q.189 What does the 'Ctrl + Shift + L' shortcut do in Excel?
A Toggle AutoFilter
B Apply list format
C Lock cells
D Create a sparkline
Discuss / Board
Q.190 In MS Word, how do you create a bulleted list automatically as you type?
A Type * (asterisk) followed by space or tab, then text
B Type a number followed by a period and space
C Press Ctrl+Shift+L
D Type > and space
Discuss / Board
Q.191 Which Excel function returns the position of a character or substring within a text string (case-sensitive)?
A FIND
B SEARCH
C MATCH
D LOOKUP
Discuss / Board
Q.192 In MS Word, what is the maximum number of columns you can create in a document?
A 45
B 12
C 20
D Unlimited
Discuss / Board
Q.193 Which chart type in Excel is best for showing hierarchical data as a proportion of a whole?
A Treemap
B Pie chart
C Sunburst
D Both A and C
Discuss / Board
Q.194 In an operating system, what is a 'race condition'?
A A situation where multiple processes access shared resources simultaneously leading to unpredictable results
B A race between the CPU and memory
C A condition where the system overheats
D A network latency issue
Discuss / Board
Q.195 Which Linux command is used to display running processes?
A ps
B ls
C cd
D mkdir
Discuss / Board
Q.196 What is the default file system used by Windows 11 for the system drive?
A NTFS
B FAT32
C exFAT
D ReFS
Discuss / Board
Q.197 Which RAID level uses mirroring without parity?
A RAID 1
B RAID 0
C RAID 5
D RAID 10
Discuss / Board
Q.198 In cybersecurity, what does 'spear phishing' target?
A A specific individual or organization with personalized messages
B Random email addresses
C Network routers
D Cloud servers
Discuss / Board
Q.199 Which email protocol is best suited for accessing emails on a single device only?
A POP3
B IMAP
C SMTP
D HTTP
Discuss / Board
Q.200 What is the purpose of a 'cookie' in web browsing?
A To store user preferences and session information for websites
B To download files faster
C To block ads
D To encrypt the connection
Discuss / Board
Q.201 Which search operator limits results to a specific file type?
A filetype:
B intitle:
C site:
D inurl:
Discuss / Board
Q.202 In MS Word, how do you insert a non-breaking hyphen?
A Ctrl + Shift + - (minus on numeric keypad or regular minus)
B Ctrl + -
C Alt + Shift + -
D Ctrl + Alt + -
Discuss / Board
Q.203 In Excel, which function returns the number of cells that contain numbers?
A COUNT
B COUNTA
C COUNTBLANK
D COUNTIF
Discuss / Board
Q.204 What is the function of the 'Ctrl + Alt + F' shortcut in MS Word?
A Inserts a footnote
B Opens the Font dialog
C Finds text
D Formats as bold
Discuss / Board
Q.205 In Excel, what is the keyboard shortcut to open the 'Format Cells' dialog?
A Ctrl + 1
B Ctrl + Shift + F
C Ctrl + Shift + P
D Both A and B
Discuss / Board
Q.206 Which type of malware encrypts files and demands ransom?
A Ransomware
B Spyware
C Adware
D Trojan
Discuss / Board
Q.207 In Linux, which command changes the current directory?
A cd
B pwd
C ls
D dir
Discuss / Board
Q.208 What is the purpose of the Windows 'Snipping Tool'?
A To capture screenshots of any area of the screen
B To crop photos
C To edit videos
D To compress files
Discuss / Board
Q.209 In Excel, what does the function =LEFT(A1,3) do?
A Returns the first three characters from the left of text in A1
B Returns the last three characters
C Extracts three characters from the middle
D Moves the cursor left by three cells
Discuss / Board
Q.210 Which key is used to boot into Windows Safe Mode during startup?
A F8 (traditional) or Shift + Restart (modern)
B F2
C F10
D Delete
Discuss / Board

Master Computer set 3 for All Competitive Exams 2026

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