Computer Awareness MCQs | Computer Multiple Choice Questions with Answers

Answer: Mosaic

Sol. NCSA Mosaic, or simply Mosaic, is a discontinued early web browser. It has been credited with popularizing the World Wide Web. It was the first graphical web browser.

Answer: The computer and software system that has dedicated function within a larger mechanical or electrical system

Sol. An embedded system is some combination of computer hardware and software, either fixed in capability or programmable, that is designed for a specific function or for specific functions within a larger system.

Answer: Diagnostic software

Sol. A diagnostic program is a program written for the express purpose of examining the state, or locating problems with the hardware, or operating system environment that it is running.

Answer: Glitch

Sol. Glitch and Bug are essentially synonymous. Glitches/bugs are software errors that can cause drastic problems within the code, and typically go unnoticed or unsolved.

Answer: Inheritance

Sol. In object-oriented programming, inheritance enables new objects to take on the properties of existing objects.

Answer: Monitor

Sol. A cathode ray tube (CRT) is a specialised vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface. Most desktop computer displays used CRTs.

Answer: Data link

Sol. Bits are PDU of Layer-1 and Frames are PDU of Layer-2 Data Link Layer

Answer: Application, presentation, session, transport, network, data link, physical

Following is the correct order of layers in OSI Model:

1. Layer 7- Application Layer
2. Layer 6 –Presentation Layer
3. Layer 5 – Session Layer
4. Layer 4 – Transport Layer
5. Layer 3 – Network Layer
6. Layer 2 – Data Link Layer
7. Layer 1 – Physical Layer

Answer: 6.22

Sol. MS-DOS 6.22; 6.22 is the version number which identifies it uniquely.

Answer: Interface Message Processor

Sol. The very first device that had fundamentally the same functionality as a router does today was the Interface Message Processor (IMP); IMPs were the devices that made up the ARPANET, the first TCP/IP network.

Answer: Telephone networks

Sol. Twisted pair wires are used in telephone networks and for digital data transmission over short distances up to 1 km.

Answer: Azure

Sol. Microsoft is a cloud computing platform and infrastructure created by Microsoft for building, deploying, and managing applications and services through a global network of Microsoft-managed data centers. Azure was announced in October 2008 and released on 1 February 2010 as Windows Azure, before being renamed to Microsoft Azure on 25 March 2014.

Answer: Mnemonic

Sol. Assembly language is mnemonic based low level language. Mnemonics are short codes of assembly language which chosen to remind the programmer of the instructions of binary machine-code which are apparently which are very hard to remember, write down, or correct.

Answer: SaveAs dialog box

Sol. The key F12 opens a SaveAs dialog box.

Answer: Merge cells

Sol. The operation of combining two cells into a single cell in Excel is referred to as merge cells.

Answer: Text left aligned and numbers right aligned

Sol. Text left aligned and numbers right aligned is default alignment in Excel.

Answer: Formula

Sol. It is a formula to get sum of the data from cell number S3 to S10.

Answer: Slide Orientation

Sol. You have to select slide orientation to change orientation.

Answer: Solving computing problems by breaking them into smaller parts that are separately processed by different computers

Sol. Distributed processing is a phrase used to refer to a variety of computer systems that use more than one computer (or processor) to run an application. This includes parallel processing in which a single computer uses more than one CPU to execute programs.

Answer: Oreo

Sol. Android version 8.0 nicknamed Android Oreo is the latest version of Operating System released by Google in August 2017.