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.361 In MS Word, what does the 'Ctrl + Shift + N' shortcut do?
A Applies the Normal style to the selected paragraph
B Creates a new document
C Opens the Navigation pane
D Inserts a non-breaking space
Discuss / Board
Q.362 In Excel, which function checks whether a value is text?
A ISTEXT
B ISNUMBER
C ISBLANK
D ISERROR
Discuss / Board
Q.363 What is a 'default gateway' in networking?
A The router that connects a local network to other networks
B The primary DNS server
C The Wi-Fi access point name
D The firewall rule
Discuss / Board
Q.364 In MS Word, which shortcut opens the 'Replace' dialog directly?
A Ctrl + H
B Ctrl + F
C Ctrl + G
D Ctrl + R
Discuss / Board
Q.365 In Excel, what does the 'Ctrl + Shift + F' shortcut do?
A Opens the Font tab of Format Cells
B Opens the Find dialog
C Applies fill color
D Inserts a formula
Discuss / Board
Q.366 Which type of software monitors user activity without their knowledge?
A Spyware
B Adware
C Virus
D Worm
Discuss / Board
Q.367 In MS Word, what is the function of 'Ctrl + Shift + J'?
A Distributes text evenly across the line (distributed alignment)
B Justifies text
C Opens the Journal
D Inserts a Japanese character
Discuss / Board
Q.368 In Excel, what does the function =VLOOKUP(A2, Table, 2, FALSE) do?
A Looks up A2 in the first column of Table and returns the value from the 2nd column of the matching row, exact match
B Looks up A2 in the second column of Table
C Sums the second column
D Finds the maximum
Discuss / Board
Q.369 What is the purpose of the 'ls' command in Linux?
A List files and directories
B Change directory
C Remove files
D Create a new file
Discuss / Board
Q.370 In MS Word, how can you insert the current page number in the footer?
A Insert > Page Number > Bottom of Page
B Type the number manually
C Insert > Quick Parts > Field > PAGE
D Both A and C
Discuss / Board
Q.371 In Excel, what is the keyboard shortcut to apply the 'Number' format with two decimals?
A Ctrl + Shift + !
B Ctrl + Shift + $
C Ctrl + Shift + %
D Ctrl + 1
Discuss / Board
Q.372 What is the function of a 'digital certificate'?
A Authenticates the identity of a website or entity and enables encryption
B Stores passwords
C Scans for viruses
D Defragments the disk
Discuss / Board
Q.373 In MS Word, which feature allows you to send the same letter to multiple recipients with personalized fields?
A Mail Merge
B Envelopes
C Labels
D Template
Discuss / Board
Q.374 In Excel, which function returns the year from a date serial number?
A YEAR
B MONTH
C DAY
D DATE
Discuss / Board
Q.375 What does the CPU’s status register (flag register) contain?
A Indicators like carry, zero, sign, and overflow flags reflecting the result of operations
B The address of the next instruction
C The opcode of the current instruction
D Data being processed by the ALU
Discuss / Board
Q.376 Which type of ROM allows erasing and reprogramming using electrical signals without removal from the circuit?
A EEPROM
B EPROM
C PROM
D Mask ROM
Discuss / Board
Q.377 In CPU pipelining, what problem arises when an instruction depends on the result of a previous instruction that is not yet completed?
A Data hazard
B Control hazard
C Structural hazard
D Pipeline stall only
Discuss / Board
Q.378 Which logic gate outputs 1 only when all inputs are 1?
A AND gate
B OR gate
C XOR gate
D NAND gate
Discuss / Board
Q.379 What does a ‘buffer’ in digital circuits primarily do?
A Amplify a signal without changing its logic state
B Invert the signal
C Store one bit of data
D Perform arithmetic
Discuss / Board
Q.380 In MS Word, which keyboard shortcut opens the ‘Bookmark’ dialog?
A Ctrl + Shift + F5
B Ctrl + B
C Ctrl + Shift + B
D Alt + Shift + F5
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Q.381 In Excel, which function returns the smallest value from a list of numbers, ignoring logical values and text?
A MIN
B SMALL
C MINA
D MINIFS
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Q.382 What is the maximum length of a filename in Windows with NTFS?
A 255 characters
B 128 characters
C 260 characters (including path)
D Unlimited
Discuss / Board
Q.383 Which protocol is used by email clients to retrieve emails while keeping the original messages on the server?
A IMAP
B POP3
C SMTP
D MIME
Discuss / Board
Q.384 In networking, what does a subnet mask of 255.255.255.128 correspond to in CIDR notation?
A /25
B /24
C /26
D /23
Discuss / Board
Q.385 Which Windows utility can be used to view the list of all installed drivers?
A Driverquery (command) or Device Manager
B Task Manager
C System Information (msinfo32)
D Both A and C
Discuss / Board
Q.386 In Excel, which function calculates the internal rate of return for a series of cash flows occurring at regular intervals?
A IRR
B NPV
C RATE
D MIRR
Discuss / Board
Q.387 What is the main difference between a virus and a trojan horse?
A A virus self-replicates by attaching to files; a trojan does not replicate
B A trojan self-replicates; a virus does not
C A virus is harmless; a trojan is malicious
D Both are the same
Discuss / Board
Q.388 In MS Word, which feature lets you create a set of reusable content blocks like headers, footers, and cover pages?
A Building Blocks Organizer
B Quick Parts
C AutoText
D All of the above
Discuss / Board
Q.389 In Linux, what does the ‘grep’ command do?
A Search text patterns within files
B List directory contents
C Change file permissions
D Create an empty file
Discuss / Board
Q.390 Which type of firewall filters traffic based on packet headers like source/destination IP and port?
A Packet filtering firewall
B Stateful firewall
C Application-level gateway
D Next-generation firewall
Discuss / Board

Master Computer set 3 for All Competitive Exams 2026

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