Computer — All MCQs
4795 questions available
Q4641.Which programming language is a highly efficient system programming language designed specifically for structured programming?
Correct Answer: C
The C language was developed in 1972 by Dennis Ritchie as a structured, low-level-access system programming language for operating systems.
Q4642.First-generation computers from the 1940s and 1950s utilized which of the following core electronic technologies?
Correct Answer: D
First-generation computers (such as ENIAC) relied heavily on glass vacuum tubes to control and amplify electrical signals.
Q4643.What is the name of the wide, unmarked keyboard key located at the bottom-center of standard computer keyboards?
Correct Answer: C
The Space Bar is the longest, widest key on standard keyboards, designed to insert blank space characters between text inputs.
Q4644.What is the name of the historic autonomous robot developed in 1956 at SRI to research AI, learning, and environmental interaction?
Correct Answer: B
Developed in 1956, 'Shakey the Robot' was the world's first general-purpose mobile robot integrated with artificial intelligence capabilities.
Q4645.Within a Microsoft Access database file, which objects can be contained and managed?
Correct Answer: D
A complete database file in MS Access can contain multiple objects including tables, queries, forms, and reports to manage data holistically.
Q4646.Which type of CPU register holds the memory address of the data being read from or written to the memory?
Correct Answer: A
The Memory Address Register (MAR) holds the memory address of the data or instruction currently being fetched from or written to primary storage.
Q4647.Through which dialog box can the page orientation (portrait or landscape) be changed in Microsoft Word?
Correct Answer: B
Page orientation, margins, paper size, and columns are adjusted through the Page Setup dialog box.
Q4648.What term defines the maximum amount of data that can be transmitted through a communication medium in a unit of time?
Correct Answer: D
Bandwidth describes the maximum data transfer rate of a network or internet connection over a given period.
Q4649.Which view in Microsoft Access is specifically used to define or modify the structure of a database table?
Correct Answer: A
Design View allows database designers to specify field names, select data types, configure validation rules, and establish primary keys.
Q4650.Which of the following is NOT categorized as a traditional web search engine?
Correct Answer: D
Wolfram Alpha is a computational knowledge engine that answers factual queries using algorithms, rather than indexing web pages like Google or Yahoo.
Q4651.A robot is a machine controlled by software stored in a chip. In which fields are robots actively utilized?
Correct Answer: D
Robotic systems are widely deployed across manufacturing assembly lines, military/surveillance applications, and high-precision medical surgeries.
Q4652.What visual element appears when you hover the mouse pointer over a chart object in Microsoft Excel?
Correct Answer: B
Hovering over chart elements displays a small Screen Tip (or Tooltip) showing specific values, coordinates, or data series labels.
Q4653.In Microsoft Word 2007, which keyboard shortcut extends the current text selection to the very end of the document?
Correct Answer: A
Pressing Ctrl + Shift + End selects all text from the current cursor position to the absolute end of the document.
Q4654.What is the unique name chosen by a user to identify their specific mailbox when creating an E-mail account?
Correct Answer: C
The username is the unique identifier preceding the '@' symbol in an email address that specifies the user's mailbox.
Q4655.Which of the following can be used to zoom or adjust the magnification of an Excel worksheet?
Correct Answer: D
Excel provides multiple ways to zoom worksheets, including the View menu zoom command, Print Preview zoom tools, and mouse interaction.
Q4656.Which shortcut is used in MS Excel to move between the individual worksheets of an open workbook?
Correct Answer: D
Ctrl + Page Up navigates to the previous worksheet, while Ctrl + Page Down navigates to the next worksheet in the active workbook.
Q4657.A buffer, acting as a temporary storage area during data processing, can commonly exist within which components?
Correct Answer: D
Buffers are implemented in both volatile memory (RAM) and storage media (Hard disk / SSD) to bridge speed differences during data transfer.
Q4658.Which commands can be used in command-line interfaces (such as MS-DOS) to create a new directory?
Correct Answer: B
The 'md' or 'mkdir' command is used in CLI shells to make a new directory. 'cd' changes directory, and 'rd' removes directory.
Q4659.To add and customize headers or footers specifically for printed handouts in PowerPoint, which layout master should be used?
Correct Answer: C
The Handout Master allows universal modifications to the headers, footers, page numbers, and slide orientations of printed handouts.
Q4660.In Microsoft Word, which of the following hardware devices is primarily used for input operations?
Correct Answer: C
The keyboard is used for entering text, while the mouse is used for navigating, selecting, and invoking commands.