Search Previous Year Questions

The correct option is (1)

Scroll bar

Key Points

• A horizontal scroll bar makes it possible to left- or right-scroll a window's content. The user can scroll the content up or down using a vertical scroll bar.
• A scroll bar on a computer screen is a long, thin box along a window's edge that you can click with your mouse to move the text up, down, or across the window.
• A window can be relocated to any location on your screen after it has been enlarged so that it is not fullscreen. Click and hold the left mouse button on the window's title bar to accomplish this. After that, drag it where you want it to go.
• Instead of utilizing the vertical scroll bar on the right side of a document or webpage, you can scroll up and down on any page by using the scroll wheel in the center of the mouse. Another function of the mouse's scroll wheel is as a third button.

Additional Information

• The minimize button (the "-" symbol for minimize) reduces the size of the application window and moves it to the taskbar while the program is still running.
• A horizontal window at the bottom of a parent window called a status bar is where an application can show several types of status information. To display multiple types of information, the status bar can be separated into sections.
• An icon and line of text specified by the application are displayed in the title bar at the top of a window. The text identifies the application by name and describes the window's function.

The correct option is (4)

Magnetic Tape

Concept:-

EPROM, DRAM, and SRAM are all types of computer memory, while Magnetic Tape is a storage medium that was commonly used for data backup and archival purposes before the advent of modern storage devices like hard drives and solid-state drives.

Key Points

• Speech and music are recorded on magnetic audio tape, and analog voice and video signals can be directly and simultaneously recorded on magnetic videotape at a low cost.
• A long, narrow strip of plastic film is covered in a thin, magnetizable coating to create magnetic tape, a medium for magnetic storage. It was created in Germany in 1928 using magnetic wire recording as a foundation.
• SRAM, which stands for Static Random Access Memory, is a type of computer memory that needs an ongoing supply of power to function.
• DRAM, which stands for dynamic random access memory, is one of the memory modules that are most frequently found in PC-compatible desktop computers and workstations.
• EPROM stands for Erasable Programmable Read-Only Memory. It is a type of non-volatile memory that can be programmed and erased multiple times. EPROMs are used in many electronic devices such as computers, consumer electronics, and automotive systems.

The correct option is (1)

Random

Concept:-

Bus topology, ring topology, star topology, mesh topology, and hybrid topology are some examples of topologies. Random is not a valid topology.

Key Points

• Network topology is the configuration of a network made up of nodes and connecting lines via sender and receiver.
• The network architecture will develop in accordance with how data is moved between devices and how they are linked.
• The structure or pattern in which each node in a network is connected is known as topology. In networking, there are many different topologies, such as the bus, tree, ring, star, mesh, and hybrid topologies.

Additional Information

• In a LAN (Local Area Network), a bus architecture is used to connect several nodes to a specific cable instead of using a single backbone. It is possible to connect many devices using a coaxial wire or RJ-45 cable. When a cable in a bus topology has an issue, the entire network will not function.
• Every device on the network is separately connected to the switch or hub, which is the central node, in a network topology known as a star topology.
• In a ring topology, device connections form a circular data channel in the network setup.

The correct option is (4)

Six

Concept:-

There are six editions of the Windows 7 operating system.

Key Points

• Windows 7 comes in six different editions: Starter, Home Basic, Home Premium, Professional, Enterprise, and Ultimate. As is to be expected, confusion envelops each of these editions like fleas do an old cat.
• The most advanced version of Windows 7, Windows 7 Ultimate includes all the features found in Professional and Home Premium as well as BitLocker technology. Additionally, Windows 7 Ultimate has the broadest language support.
• The operating system Windows 7 Home Premium was created for home PCs and has a variety of multimedia features.
• The powerful networking features of the Windows 7 Professional operating system were created with workplace machines in mind.
• Large organizations are the target market for the Windows 7 Enterprise operating system.
• The operating system for Windows 7 Home Basic is more feature-rich and easy to use.
• The Windows 7 Starter operating system was created with simplicity in mind.

The correct option is (3)

F2

Concept:-

Key Points In MS Excel, the F2 function key is used to edit the content of a cell in MS Excel.

Key Points

• Everyone (or almost everyone) is aware that pressing the F2 key in Excel activates the "editing" mode for the selected cell, allowing you to change its contents while the formula's various cell references change colors.
• The FUNCTION keys F1 through F12 have unique alternate commands. Enhanced function keys are what these keys are known as. You can access frequently used tasks quickly with the help of enhanced function keys, which can boost your productivity.

Additional Information

• F1: Displays the Help menu for the currently active window.
• By hitting F5, the page or document window is refreshed or reloaded in all contemporary Internet browsers.
• A function key called F11 can be located at the top of practically every computer keyboard. All contemporary web browsers support the key, which is frequently used to enter and leave fullscreen mode.

The correct option is (2)

(i) - True (ii) - False

Key Points

• The area between the text and the edge of your document is known as a margin. The margins of a new document are by default set to Normal, which leaves one inch between the text and each edge. You can alter the margin size in Word to suit your requirements.
• By selecting the Layout tab and pressing the little arrow in the Page Setup group's lower-right corner, you can also access the Page Setup dialogue box.
• Each page in Word has a one-inch margin by default. You can configure margins for facing pages, add extra margin space to enable document binding, change how margins are measured, and customize or select established margin settings.
• Multiple open documents can be seen horizontally or side by side. Each document may be handled separately. The ability to simultaneously scroll through two documents is also available. Let's examine a few of these beneficial Word features.
• Activate File > Options > Advanced. To access the Display section, scroll down. The "Show all windows in the Taskbar" checkbox should be selected. Each document will now open in a distinct window, which you can then move to a different monitor.

The correct option is (1)

Garbage in garbage out

Key Points

• Computer science and mathematics both share the idea of GIGO (Garbage in, Garbage out), which states that the quality of the input determines the quality of the result.
• GIGO is also used to refer to errors in human decision-making brought on by inaccurate, insufficient, or unreliable data.
• "Garbage In, Garbage Out" is what it stands for. The computer science abbreviation GIGO means that poor input will lead to poor output.

Additional Information

• Data, objects, or other areas of a computer system's memory (or other system resources) that won't be used by the system or a program running on it in the future are referred to as "trash" in computer science.
• Politics can be reduced, objectivity can be upheld, and garbage can be avoided by teaching the six principles to everyone who has a say in the decision-making process and by creating transparency around the decision-making process.

The correct option is (3)

Z$A$250

Key Points

• An alphanumeric value known as a cell reference, sometimes known as a cell address, is used to specify a particular cell in a spreadsheet. A number is followed by one or more letters in each cell reference. The column is designated by one or more letters, while the row is denoted by a number.
• As an illustration, the references A1, B2, and so on all refer to the cells that are located at the intersection of column A and row 1.
• A range in Excel is a group of two or more cells. The address of the upper left cell and the lower right cell, separated by a colon, serve as a range reference.

Additional Information

• A reference that is relative lacks the dollar sign ($) in the row and column coordinates, such as A1 or A1:B10. In Excel, all cell addresses are by default relative.
• The row or column coordinates with the dollar sign ($) in them, such as $A$1 or $A$1:$B$10, are absolute references.
• One relative and one absolute coordinate, such as $A1 or A$1, are included in a mixed reference.

The correct option is (3)

Internet telephony

Concept:-

Internet telephony is a time-sensitive service on the internet.

Key Points

• Standard telephone services that are transported over the internet using packet switching as opposed to circuit switching are referred to as internet telephony.
• All telephony services, such as phone calls, faxes, voicemail, video calls, and other kinds of communication, are referred to as "Internet Telephony" when calls and data are sent digitally over the Internet using the Internet Protocol (IP) as opposed to using conventional analog landlines.
• The global network of voice-focused public telephone networks is known as the public switched telephone network or PSTN.

 Additional Information

• Electronic mail, also known as email, is identified by an email ID or address when it is sent over the internet. The email requires a sender and recipient address, just like regular mail. All email addresses had the same structure since the 1980s: a distinctive name, followed by @ and the domain name.
• The exchange of data files across computer systems is referred to as file transfer. File transfer is the procedure of copying or moving a file from one computer to another across a network or internet connection, according to Techopedia.
• To download a file, visit the website where it is available. Tap the Download link or Download image after touching and holding the item you wish to download. Tap Download on various music and video files.

The correct option is (1)

00111000

Explanation:

Here is the given.

The ASCII code of 7 = 00110111. 

According to the table,

The ASCII code of 8 = 00111000

Key Points

• The most used character encoding format for text data in computers and on the internet is ASCII (American Standard Code for Information Interchange).
• There are distinct values for 128 extra alphabetic, numeric, special, and control characters in ASCII-encoded data.
• ASCII is used to translate computer text into human text. Every computer uses binary, which is a series of 0s and 1s.