Computer — All MCQs
4795 questions available
Q1541.Which programming languages are classified as low level languages?
Correct Answer: A
Assembly language is classified as a low-level programming language because it is very close to machine language, using mnemonics instead of binary codes.
Q1542.Which shortcut key is used to restart the computer?
Correct Answer: B
The three-key combination Ctrl + Alt + Delete is the classic Windows shortcut to open security options or restart the system.
Q1543.Which of the following is not software?
Correct Answer: B
A keyboard is a physical hardware input device, whereas Operating Systems, Drivers, and Word Processors are software programs.
Q1544.How much data can a single layer, single sided DVD can store?
Correct Answer: C
A standard single-sided, single-layer DVD has a data storage capacity of exactly 4.7 Gigabytes (GB).
Q1545.Select an option of a user interface that is more user-friendly than the other provided options?
Correct Answer: A
GUI (Graphical User Interface) is much more user-friendly than command-line systems because it relies on visual indicators, icons, and mouse actions.
Q1546.Which provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously?
Correct Answer: C
Multi-tasking is the capability of an operating system to execute multiple tasks concurrently by managing CPU cycles and memory spaces.
Q1547.The files deleted from the computer are stored in _____?
Correct Answer: A
In the Windows operating system, deleted files are temporarily stored in the Recycle Bin from where they can be restored or emptied permanently.
Q1548.Which sign is used to create an absolute cell reference in MS Excel?
Correct Answer: C
The dollar sign ($) is prepended to column letters and row numbers (e.g., $A$1) to create absolute cell references in MS Excel formulas.
Q1549.A vacuum tube is also known as electronic valve because?
Correct Answer: A
Diode-type vacuum tubes are called electronic valves because they act like non-return valves, letting electric current flow in only one direction.
Q1550.What is the function of a web browser?
Correct Answer: B
A web browser is a software application designed to retrieve, display, and navigate information resources on the World Wide Web.
Q1551.How do you change column width to fit the contents?
Correct Answer: A
Double-clicking the column header divider boundary automatically adjusts that column's width to match its longest cell entry (AutoFit).
Q1552.Which formula is used to calculate the sum of cells A1 through A10 in a spreadsheet?
Correct Answer: A
The formula =SUM(A1:A10) uses the built-in SUM function and a colon (:) range separator to calculate the sum of cells A1 through A10.
Q1553.Charles Babbage computer was called?
Correct Answer: C
Charles Babbage, commonly known as the 'Father of the Computer', designed a mechanical mechanical concept called the Analytical Engine in the 19th century.
Q1554.A computer program that translates one program instructions at a time into machine language is called?
Correct Answer: A
An interpreter translates and executes a high-level program's instructions line-by-line, as opposed to a compiler which translates the entire script at once.
Q1555.The thin black cross-shaped pointer in MS Excel is used to _____?
Correct Answer: C
The small black cross cursor (the Fill Handle pointer) at the bottom-right corner of a cell is used to copy formulas or extend data patterns automatically.
Q1556.Which is used for arranging data in ascending/descending order in MS Excel?
Correct Answer: B
Under the Data menu tab in MS Excel, the 'Sort' command is used to quickly organize selected text or numeric rows in ascending or descending order.
Q1557.In MS Excel formula and function start with ____?
Correct Answer: C
In MS Excel, all user-defined formulas and built-in functions must begin with an equal sign (=) to signal that a calculation is required.
Q1558.What is the shortcut key for a manual line break in MS Word?
Correct Answer: A
Pressing Shift + Enter inserts a manual line break (soft return) in MS Word, moving the cursor to the next line without starting a new paragraph.
Q1559.What does 'PDF' stand for?
Correct Answer: C
PDF stands for Portable Document Format. It was developed by Adobe in 1993 to enable robust document viewing and printing across different platforms.
Q1560.SMS stands for ____?
Correct Answer: B
SMS stands for Short Message Service, a standardized cellular communication protocol used to transmit brief text messages between mobile devices.