Computer — All MCQs
4795 questions available
Q3221.MS Word is mostly used for ______?
Correct Answer: D
MS Word is a word processor used for creating essays, formal letters, academic assignments, and various text-based documents.
Q3222.What does DVR stand for?
Correct Answer: C
DVR stands for Digital Video Recorder, commonly used in CCTV surveillance and television recording setups.
Q3223.What does NVR stand for?
Correct Answer: A
NVR stands for Network Video Recorder, which digitally records and stores video streams from IP security cameras.
Q3224.Which allow to access from one cell to another?
Correct Answer: A
A cell reference or cell address (e.g., A1, B12) allows users and formulas to access data from one cell to another.
Q3225.Microsoft Word is _____?
Correct Answer: B
Microsoft Word is a document-based word processing software application (whereas Excel files are referred to as workbooks).
Q3226.Which of the following is the loopback address for IPv4?
Correct Answer: A
127.0.0.1 is the standard loopback IP address in IPv4, allowing a host to send network packets to itself for local diagnostic testing.
Q3227.The speed of primary Ethernet is ______?
Correct Answer: B
Primary Ethernet typically refers to Fast Ethernet which operates at a standard speed of 100 Mbps.
Q3228.Microprocessors was introduced in which generation of computer?
Correct Answer: B
Microprocessors (VLSI technology) were introduced during the Fourth Generation of computers, starting in the early 1970s.
Q3229.IBM 1401 is_____?
Correct Answer: D
The IBM 1401 is an iconic second-generation computer which relied on transistor-based technology.
Q3230.Which of the following is the correct sequence of OSI layers (from bottom to top)?
Correct Answer: B
From bottom to top (Layer 1 to Layer 7), the correct order is: Physical → Data Link → Network → Transport → Session → Presentation → Application.
Q3231.Virtual reality is the field where ______?
Correct Answer: B
Virtual Reality (VR) uses specialized software and headsets to create a simulated, interactive 3D environment for the user.
Q3232.What is the form of analog data?
Correct Answer: C
Analog data represents information as a continuous physical signal (like waves, temperature, or voltages) rather than discrete digital states.
Q3233.A Software Engineer is a person who works on _______?
Correct Answer: B
A software engineer primarily specializes in writing, testing, and maintaining software code using different programming languages.
Q3234.External cache memory is located between which two components?
Correct Answer: A
External cache memory (like L2 or L3 cache) is physically located between the CPU (microprocessor) and the main memory (RAM) to minimize access latency.
Q3235.Which of the following computer components typically contains the most transistors?
Correct Answer: C
A modern microprocessor contains billions of microscopic transistors squeezed onto a single silicon chip to perform complex computations.
Q3236.An unwanted signal that mixes up with the original signal is called ______?
Correct Answer: C
Noise is any random, unwanted electrical signal or disturbance that mixes with and degrades the quality of the original transmission signal.
Q3237.A data rate is expressed in bps (bits per second). Which of the following is not a valid way of expressing bps?
Correct Answer: C
Mbps (Mega), Gbps (Giga), and Tbps (Tera) are standard data rate multipliers. Hbps is not a valid or recognized unit.
Q3238.In the following options, which one is not part of the MS Word Page Setup group?
Correct Answer: A
Margin, Orientation, and Size are standard Page Setup tools. Wrap Text is a positioning layout tool used for placing text around graphics.
Q3239.Which of the following technologies was used in second generation computer?
Correct Answer: B
Second-generation computers (1956–1963) replaced hot, bulky vacuum tubes with solid-state transistors.
Q3240.Which technology is used in compact disc?
Correct Answer: A
Compact Discs (CDs) are an optical storage medium that uses low-power semiconductor lasers to read and write data pits on the disc surface.