Category: Computer Mcqs

computer fundamentals

Computer Mcqs 20/09/2024
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#Computer
Virtual memory is also known as virtual page.
• NOS refer to operating systems for a network.
• In EBCDIC each character is denoted by 8 bits.
• Diodes are used in analog computer circuits as limiter.
• Wetware stands for any organic intelligence.
• GIGO stands for garbage in garbage out.
• Application of flip-flap are counters, shift register and transfer register.
• Bootstrap is associated with computer.
• FORTRAN stands for formula translator.
• A group of character that is termed as a single entity is called word.
• Clip art is a computer prepared art.
• Mark sensing is another term for OMR.
• Authorization to make multiple software copies is called site licensing.
• Antivirus is also known as vaccines.
• Free software is also known as public domain software.
• In computer DFD stands for Data Flow Diagram.
• Cyber Space is called to Virtual world of the computer.
• What does the sun in SUN Microsystems stand for Stanford University Network
• What does Intel stand for- Integrated Electronics
• All PCs have a BIOS what does bios stand for-Basic Input Output System
• What is the common name for an integrated circuit A Chip
• In WWW terms what does i.e. mean on a domain name-Ireland
• What company introduced the first commercial minicomputer 65 DEC
• Name the first web browser publicly available NCSA Mosaic
• The world’s most powerful super computer is called ASCI white.
• World Wide Web was invented in 1993 by Tim Bareness Lee.
• The B-programming language was developed by Ken Thompson.
• The 1st commercially produced and sold computer (1951) was UNIVAC.
• The transformation from heavy computers to PCs was made possible using microprocessors.
• The first microprocessor was developed in 1971 by Intel.
• A pentium 4 (P-4) employs roughly 40 million transistors.
• Mark-1, Apple-1, and collossus were initial desktop computers.
• Binary digits are briefed as bit.
• A collection of bits is called byte.
• The first home computer (1977), which was sold in millions of units was Apple II.
• ‘PARAM’ is a supercomputer.
• Father of the Computer.. Charles Babbage

 

CTRL+A. . . . . . . . . . . . . . . . . Select All
CTRL+C. . . . . . . . . . . . . . . . . Copy
CTRL+X. . . . . . . . . . . . . . . . . Cut
CTRL+V. . . . . . . . . . . . . . . . . Paste
CTRL+Z. . . . . . . . . . . . . . . . . Undo
CTRL+B. . . . . . . . . . . . . . . . . Bold
CTRL+U. . . . . . . . . . . . . . . . . Underline
CTRL+I . . . . . . . . . . . . . . . . . Italic
F1 . . . . . . . . . . . . . . . . . . . . . . Help
F2 . . . . . . . . . . . . . . . . . . . . . Rename selected object
F3 . . . . . . . . . . . . . . . . . . . . . Find all files
F4 . . . . . . . . . . . . . . . . . . . . . Opens file list drop-down in dialogs
F5 . . . . . . . . . . . . . . . . . . . . . Refresh current window
F6 . . . . . . . . . . . . . . . . . . . . . Shifts focus in Windows Explorer
F10 . . . . . . . . . . . . . . . . . . . . Activates menu bar options
ALT+TAB . . . . . . . . . . . . . . . . Cycles between open applications
ALT+F4 . . . . . . . . . . . . . . . . . Quit program, close current window
ALT+F6 . . . . . . . . . . . . . . . . . Switch between current program windows
ALT+ENTER. . . . . . . . . . . . . . Opens properties dialog
ALT+SPACE . . . . . . . . . . . . . . System menu for current window
ALT+¢ . . . . . . . . . . . . . . . . . . opens drop-down lists in dialog boxes
BACKSPACE . . . . . . . . . . . . . Switch to parent folder
CTRL+ESC . . . . . . . . . . . . . . Opens Start menu
CTRL+ALT+DEL . . . . . . . . . . Opens task manager, reboots the computer
CTRL+TAB . . . . . . . . . . . . . . Move through property tabs
CTRL+SHIFT+DRAG . . . . . . . Create shortcut (also right-click, drag)
CTRL+DRAG . . . . . . . . . . . . . Copy File
ESC . . . . . . . . . . . . . . . . . . . Cancel last function
SHIFT . . . . . . . . . . . . . . . . . . Press/hold SHIFT, insert CD-ROM to bypass auto-play
SHIFT+DRAG . . . . . . . . . . . . Move file
SHIFT+F10. . . . . . . . . . . . . . . Opens context menu (same as right-click)
SHIFT+DELETE . . . . . . . . . . . Full wipe delete (bypasses Recycle Bin)
ALT+underlined letter . . . . Opens the corresponding menu
PC Keyboard Shortcuts
Document Cursor Controls
HOME . . . . . . . . . . . . . . to beginning of line or far left of field or screen
END . . . . . . . . . . . . . . . . to end of line, or far right of field or screen
CTRL+HOME . . . . . . . . to the top
CTRL+END . . . . . . . . . . to the bottom
PAGE UP . . . . . . . . . . . . moves document or dialog box up one page
PAGE DOWN . . . . . . . . moves document or dialog down one page
ARROW KEYS . . . . . . . move focus in documents, dialogs, etc.
CTRL+ > . . . . . . . . . . . . next word
CTRL+SHIFT+ > . . . . . . selects word