Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
231
What is the default location for saving and opening files in Windows?
Answer:
My Documents
"My Documents" is the default folder where most Windows applications will save and open files.
232
How can you print documents from Windows?
Answer:
Both A and B
Printing can be initiated via the File > Print menu or by dragging documents onto the printer icon in Windows.
233
Which OS does not support true multitasking?
Answer:
MS DOS
MS DOS lacks true multitasking capabilities present in modern operating systems.
234
In which type of operating system is response time very crucial?
Answer:
Real Time Operating System
Real time operating systems (RTOS) are used in environments where immediate response and processing are vital.
235
What is the entering point in Windows?
Answer:
Desktop
The Desktop is the primary user interface and main screen that appears after a user logs into a Windows operating system. It serves as the starting point and workspace, containing icons for files, folders, and applications.
236
Which menu bar selection would you access to open a file?
Answer:
None of above
Most programs use the “File” menu to open files. Since “File” is not listed among the options, "None of above" is correct.
237
What is the purpose of the `-v` option for the `cp` command in Linux or macOS?
Answer:
To display verbose output, showing the progress of the copy operation
The `-v` (verbose) option for the `cp` command will cause it to print the name of each file as it is being copied.
238
Computers represent and process data using which number system?
Answer:
Binary
The binary system uses only two digits, 0 and 1, and is fundamental to all computer operations.
239
Shortcut Ctrl + H is used to
Answer:
Open Find and Replace Dialog box with activating Replace Tab
** Ctrl + H opens the Find and Replace dialog box with the "Replace" tab selected.
240
When installing ______, the user typically needs to copy and decompress files from a CD-ROM or similar medium to the hard drive.
Answer:
Programming software
Installation of programming software often involves copying and extracting files from an external medium like a CD-ROM to the computer's hard disk.