Computer — All MCQs
4795 questions available
Q61.Primary purpose of virtual memory?
Correct Answer: C
Virtual memory extends RAM by using disk space when physical memory is full.
Q62.How many bits in IPv4?
Correct Answer: B
IPv4 addresses are 32 bits long, allowing for approximately 4.3 billion addresses.
Q63.How many bits in IPv6?
Correct Answer: A
IPv6 addresses are 128 bits long, providing a vastly larger address space than IPv4.
Q64.Which MS-word feature is used for multiple letters to one template?
Correct Answer: A
Mail Merge in MS Word allows sending personalized letters using a single template and data source.
Q65.Which protocol is used for secure encrypted data transfer?
Correct Answer: D
HTTPS (HyperText Transfer Protocol Secure) encrypts data for secure transfer over the internet.
Q66.The primary function of firewalls is?
Correct Answer: B
Firewalls protect networks by monitoring and filtering unauthorized access and cyber threats.
Q67.What is phishing in cyber security?
Correct Answer: B
Phishing is a social engineering attack that tricks users into revealing sensitive information.
Q68.What are Macros in MS Excel?
Correct Answer: A
Macros in Excel are automated scripts that record and replay sequences of actions.
Q69.Which topology has no central server?
Correct Answer: B
Peer-to-peer topology has no central server; all nodes communicate directly with each other.
Q70.Devops stands for?
Correct Answer: A
DevOps stands for Development and Operations, a set of practices for software delivery.
Q71.Which one is Microsoft cloud storage service?
Correct Answer: B
OneDrive is Microsoft's cloud storage service integrated with Windows and Office.
Q72.Which protocol is primarily responsible for ensuring reliable data delivery?
Correct Answer: B
TCP (Transmission Control Protocol) ensures reliable, ordered delivery of data packets.
Q73.Which Microsoft application is used for newsletters and desktop publishing?
Correct Answer: B
MS Publisher is designed for desktop publishing, newsletters, brochures, and flyers.
Q74.Which shortcut key is used for Centre Alignment?
Correct Answer: D
Ctrl+E is the standard shortcut for center-aligning text in word processors.
Q75.Caps Lock and Num Lock are?
Correct Answer: B
Caps Lock and Num Lock are toggle keys that switch a mode on and off.
Q76.________ program is used to understand the running of a computer?
Correct Answer: A
The Operating System (OS) manages and controls how a computer runs.
Q77.Data transfer between computers takes place through?
Correct Answer: A
A protocol is the set of rules governing data transfer between computers.
Q78.Removing the unwanted part of an image is called?
Correct Answer: C
Q79.Microsoft was founded by?
Correct Answer: B
Q80.The World Wide Web (WWW) was founded by?
Correct Answer: C