Most Important Computer MCqs for All exams Preparation| we Have seen that many students face difficulty while preparing for Computer Operator exam and in Computer section of all types of Competitive exams so we have collected all important mcqs from previous competitive exams like ppsc,fpsc,nts,pts,wapda and all other exams. we Gurantee that after attempting all these question you will get 100% marks in your exams computer section.
Most Important Computer MCqs for Computer operator exam
- notes for computer operator
- cntrl+ spacebar to remove formatting from text in Ms word
- text and numbers are presented in the table slide
- VAB … voice answer back
- IBM stands for international business machines
- auto-correct use to correct misspelled words
- who invented the microprocessor… Marcian E Hoff
- page down key ..moves the cursor one screen down
- cntrl+ page down will move the page down in MS Word and while using Chrome you can move to the previous open tab by pressing ctrl+page down
- cntrl+ F12 for open dialogue box
- calibiri is the default font style
- 11 is the default font size in Ms word
- a red wavy line under words because of misspelled or double written
- alt + down arrow to move to next column in Ms word table … alt + up for upside
- tab button to move to the next column … shift-tab for the backward direction
- CC for carbon copy
- windows +U for utility managers like on-screen keyboard etc
- window + E for file explorer
- window + L to lock the computer
- cntrl + right arrow to move the cursor to the next word
- window + cntrl + F to find computers
- window + D to toggle between active window and desktop …
- window + F to find files and folder
- window + M to minimize all active windows
- window + shift + M to unminimize all windows
- window + F1 for help
- Computer… common operating machine mainly used for technical education and research
- Yahoo… Yet another hierarchical officious oracle
- PSTN … public switch telephone network…
- a combination of 4-bit is called a nibble
- default lines for drop cap are 3
- maximum drop cap lines 10
- drop caps are of w types.. dropped and In the margin
- blind carbon copy … BCC
- WMA… windows media audio
- cntrl +; for the current date
- cntrl 1 for format cells window
- F11 to insert a chart in Excel
- width of column 0.5″ … 0.16 in Ms word
- maximum columns 63 in Ms word
- split table control shift and enter…
- f2 is used to edit the currently selected cell
- single spacing in Ms word documents causes 12 points of line space
- John Napier developed a logarithm in 1614
- EDSAC is the first generation of computer
- IBM 1401 is 2nd generation of computer
- first electronic computer ENIAC by J.Presper Eckert and John w Mauchly
- C language by Dennis M Ritchie
- master file contains permanent data and gets updated during the processing of the transition
- stealing passwords spoofing
- large transition processing systems In auto-mated organizations use batch processing
- 1999 email virus … Melissa virus
- reproduce virus itself worm virus
- spy bot gathers information and sends it to others through the Internet
- logic bomb activated on a specific date and is known as a time bomb
- passwords use to restrict access
- a firewall is a collection of hardware and software designed to guard against unauthorized access to a computer network
- scrambling of code is called encryption
- cracking refers to electronic trespassing or criminal hacking
- digital computers works by counting
- mini are medium sized computer
- mainframe are large sized
- www invented by Robert Calliliu and Tim Berners Lee
- pressing f8 three times selects the sentence
- window 10 launched in 2015
- 3 sheets by default
- IBM company by Thomas J.Watson
- cntrl+shift+N for the new folder
- the ribbon is used in dot matrix printer
- android was founded in 2003
- digital computers invented by John Vincent Atansoaff
- the birthplace of www was CERN
- UTP … unshielded twisted pair
- DVD …. digital versatile disk
- cntrl +D for font dialogue box
- new slide cntrl+M in powerpoint
- shift +space bar to select a complete row
- cntrl + space bar to select the column
- cntrl+ shift + spacebar for complete sheet
- shift + F11 to insert new worksheet in Excel
- HDMI high-definition multimedia interface
- SATA … serial advanced technology advancement
- application language is called functional language
- HDD … hard disk drive
- total 9 generations
- OSI model 7 layers
- analog signals measured in volts
- in PowerPoint outline view we can edit only text in the presentation
- ps computer invented by Robert
- f7 for spelling check
- fortan mean formula translation
- DVI … digital video interface
- BMP … bit map
- RTF … riche text format
- ADP … automatic document feeder
- SWF …. Shock wave flash
- PHP hypertext processor
- ISDN…. integrated service digital network
- NOS … network operating system
- ANSI … American national standard institute
- ARP… address resolution protocol
- DHCP… dynamic host configuration protocol
Most important Computer questions pdf Download. We have collected all Important and most repeated computer-related MCQs in competitive exams as well as for interviews. So it will help you get 100% Marks in your competitive exam and interviews.