Computer Knowledge - 2 - SSC CGL MCQ

The correct answer is Operating systems.

Key Points

• Operating systems is not an application software.
• It is system software that manages computer hardware and software resources and provides common services for computer programs.
• Application software refers to programs that are designed to perform specific tasks for the user, such as creating documents, editing photos, or managing data.

Additional Information

The correct answer is Random-access memory.

Key Points

• Primary storage:
  • It is also known as main storage or memory, is the main area in a computer in which data is stored for quick access by the computer's processor.
  • In personal computers and workstations, the term random access memory (RAM) - or just memory - is used instead of primary or main storage, and the hard disk, diskette, CD, and DVD collectively describe secondary storage or auxiliary storage.
  • Primary memory is one that is directly attached to the CPU.
  • In a Memory hierarchy, cache memory and main Memory are directly attached to the CPU.

Additional Information

• A storage device is a piece of computer hardware used for saving, carrying, and pulling out data.
• It can keep and retain information short-term or long-term.
• It can be a device inside or outside a computer or server.
• Other terms for the storage device are storage medium or storage media.
• Examples of storage devices are - Pen drives, Hard disks, Compact disks, etc.

The correct option is (2)

I and III only

Key Points

• Office Pro Plus (Access, Word, Excel, PowerPoint, Outlook, OneNote, Publisher, Skype for Business) (email, calendar, tasks)
• The word processor (Word), the spreadsheet (Excel), and the visual presentation tool are the three main components of Microsoft Office (PowerPoint.)
• One of the most popular software programs is Microsoft Office Suite, sometimes referred to as Microsoft 365.
• Microsoft 365, which comes with programs including Word, Excel, PowerPoint, and Outlook, is used by more than a million businesses worldwide.

Additional Information

• An all-in-one cloud database solution for data lakes, data marts, operational reporting, and batch data processing is Oracle Autonomous Database.
• Fundamentally, Oracle is identical to SQL Server and other relational database systems.

The correct option is (2)

Page Layout

Key Points

• A page layout tab should be chosen. Click the Columns command under the Page Setup group. It shows a menu of options for text-column separation.
• Choose the cell or column in which the text you want to split is present. Choose Text to Columns under Data. Choose Delimited > Next in the Convert Text to Columns Wizard. Choose your data's delimiters wisely.
• Click the cell you want to split in the table. Go to the Layout tab on the ribbon. Choosing Split Cells. Choose the desired number of columns and rows in the Split Cells dialogue, and then click OK.

Additional Information

Home:- The relevant commands are divided into five groups: Clipboard, Font, Paragraph, Styles, and Editing. It enables you to edit document settings such as font size, bullet placement, style selection, and many other standard features.

Insert:- You can put a variety of elements into a document using the Insert tab. Tables, word art, hyperlinks, symbols, charts, a signature line, the date and time, shapes, headers, footers, text boxes, links, boxes, equations, and other elements are examples of these.

References:- You may now make a table of contents, footnotes, citations, cross-references, choose MLA or APA, or ISO formats, and more using the References Tab.

The correct option is 2) changing the color behind the selected text.

• Shading in MS-Word 365 is used to change the color behind the selected text.
• This is a formatting option that allows you to highlight or emphasize specific text by shading the background with a different color or pattern.

Additional Information

• Changing the color around the selected text refers to changing the color of the border or background of a text box or shape that surrounds the selected text. This option is different from shading, which specifically refers to changing the color behind the selected text.
• Changing the color of the selected text refers to changing the font color of the text itself. This option is different from shading, which specifically refers to changing the color behind the text.
• Making the text pop by highlighting it can be achieved by using shading, which adds a background color or pattern to the selected text to make it stand out from the surrounding text.
• In summary, the shading option in MS-Word 365 is used to change the color behind the selected text.

The correct option is "Control Panel".

• Control Panel is a built-in feature in the Windows operating system that provides a centralized location to configure and manage various settings for the computer system, as well as to install software and hardware.
• It contains a variety of applets or utilities, each of which provides access to specific settings or tasks.
• Examples of applets in the Control Panel include "Programs and Features", which allows you to install and uninstall programs, "Device Manager", which allows you to manage hardware devices installed on the computer, "Display Settings", which allows you to adjust the display resolution and other settings, and "User Accounts", which allows you to manage user accounts on the computer.

Additional Information

• Help and Support is a feature that provides access to help documentation and support resources for Windows and other software applications. It contains a variety of articles, tutorials, and troubleshooting guides to help users resolve common issues and learn how to use different features of the operating system and applications.
• Taskbar is a bar that appears at the bottom of the Windows desktop, displaying a list of open programs and providing quick access to various system settings and features, such as the Start menu, notifications, and system tray.
• Run is a feature that allows you to quickly open and run programs, files, and system commands by typing in their names or file paths in the "Run" dialog box. It is accessed by pressing the "Windows key + R" keyboard shortcut.

The correct answer is Cable.

Key Points

• The cable is one of the media which is used to transmit communication signals.
• It is one f the important component of Computer networks.
• The wired network uses special types of cables to connect computers on a network.
• There are three types of cables used in transmission:
  • Twisted pair cable
  • Coaxial cable
  • Fiber-optic cable​

Key Points

• Some of the other important network components are:
• NIC: It stands for Network Interface Card.
  • It is two types of wired and wireless.
  • It is integrated into the computer’s motherboard or exists as a separate card.
  • It takes information from a computer and sends it onto the network wire or into the air.
  • It can support a transfer rate of 10,100 to 1000 Mb/s.
• Hub: It is a device that split a network connection into multiple computers.
  • The hub receives the request and transmits it on the entire network.
• Router: It is the device that is used to connect the LAN with an internet connection.
  • When two or more different networks or single internet connections share data to multiple computers.
• Modem: It enables us to connect to the computer with an available internet connection over the internet line.

The correct answer is SWF.

Key Points

• SWF stands for Shockwave Flash, which is a file format used for multimedia content, particularly animation and interactive media, on the internet.
• This file format was created by macromedia and now is owned by Adobe.

Additional Information

• Audio file format refers to the structure or organization of digital audio data stored in a file.
• Some of the commonly used audio file formats include:
  • MP3 (MPEG Audio Layer-3)
  • WAV (Waveform Audio File Format)
  • AIFF (Audio Interchange File Format)
  • FLAC (Free Lossless Audio Codec)
  • AAC (Advanced Audio Coding)
  • OGG (Ogg Vorbis)
  • MPEG stands for Moving Picture Experts Group, which is a working group of experts that develop standards for digital audio and video compression and transmission.
  • MIDI, in full musical instrument digital interface, is the technology standard allowing electronic musical instruments to communicate with each other and with computers.

The third generation of the computer were in 1965-1971.
Hence, Option C is correct.

CTRL + H shortcut key is used to ‘Find and Replace’ text in a word document.
Hence, Option D is correct.

Incognito mode can be used for private browsing.
Using it, our activity is not kept on our device or in a Google Account.
Hence, option D is the correct answer.

In terms of computer, the term ‘cookie’ is coined by web-browser programmer Lou Montulli.
Cookies are the information saved by any browser to make a smooth user experience.
Hence, option D is the correct answer.

The electrical two-axis joystick was invented by C. B. Mirick at the United States Naval Research Laboratory (NRL) and patented in 1926.
A joystick is an input device that can be used for controlling the movement of the cursor or a pointer in a computer device.
Hence, option D is the correct answer.

Print Preview allows a user to find any error that may exist in the document before printing.
It is a functionality that lets users see the pages that are about to print, allowing the users to see exactly how the pages will look when they are printed.
Hence, option D is the correct answer.

Some keyboard shortcuts to be used in MS-Outlook are:
Ctrl + Enter: Send email message.
Ctrl + Shift + R: Select the ‘Reply All’ option.
Shift + Delete: Permanently delete the selected message or item.
Shift + Tab: Move to a previous event or area in the current view.
Hence, option B is the correct answer.

Some keyboard shortcuts to be used in MS-Word are:

• Ctrl + Shift: To change the language of the keyboard.
• Alt + Tab: To switch between all open tabs.
• Alt + Windows key: To show alphabetical shortcuts of tabs.
• Spacebar + Windows key: To change the language of the keyboard.

Hence, option C is the correct answer.

The correct answer is 2003.

• Apple introduced Safari 1.0, on January 7, 2003.

Key Points

• It is a wildly successful beta program that had nearly five million downloads.
• Safari is Apple's proprietary web browser, its iCloud syncing works exclusively with Apple products.
• Safari is a web browser that is owned and operated by Apple.

Additional Information

• Google is a search engine that is powered by Google under the parent company Alphabet and can be used within the Safari web browser.
• Google Chrome is also a web browser like Safari but differs in that it is owned and operated by Google.

The correct answer is CPU.

CPU is considered the brain of the computer.

Key Points

• Central Processing Unit (CPU) consists of the following features −
  • CPU is considered the brain of the computer.
  • CPU performs all types of data processing operations.
  • It stores data, intermediate results, and instructions (program).
  • It controls the operation of all parts of the computer.

Additional Information

• Memory unit:-
  • It is the amount of data that can be stored in the storage unit.
  • This storage capacity is expressed in terms of Bytes.
• Input Unit:-
  • This unit contains devices with the help of which we enter data into the computer.
  • This unit creates a link between the user and the computer.
  • They translate the information into a form understandable by the computer.
• Output unit:-
  • It consists of devices with the help of which we get the information from the computer.
  • This unit is a link between the computer and the users.
  • They translate the computer's output into a form understandable by the users.

Vth Generation: (2010 & Beyond)

• ​It is based on the technique of Artificial Intelligence (AI).
• The computer can understand spoken words.
• Scientists are constantly working to increase the processing power of computers.
• They are trying to create a computer with real IQ with the help of advanced programming and technologies.
• Advancement in the functioning of laptops, palmtops, etc.
• Ex.: IBM Watson

Use of transistors were there in 2nd generation of computers only. Hence option 1 is not a feature of fifth generation computer systems.

The correct answer is Perl.

Key Points

• LISP and PROLOG are two of the oldest programming languages that were designed specifically for artificial intelligence (AI).
• They are still used for some AI applications, but they have been mostly replaced by Python.
• Python is a general-purpose programming language that is easy to learn and use.
• It has a large library of modules and packages that are specifically designed for AI applications.
• This makes it a popular choice for developers who want to build AI applications.
• Perl is a scripting language that is not as well-suited for AI applications.
• It is not as powerful as Python, and it does not have as many libraries and packages for AI.