Computer Fundamental (Part-II)

UPSC, PSC, BANK, RAILWAY,etc. Examination Questions

PSC Question and Answer about Computer Fundamental (Part-II) languages including for Kerala Administrative Service (KAS), Secretariat Assistant, Panchayath Secretary, BDO, Auditor, Assistant, LDC and LGS examination level questions. We will update balance portion of the study material.....

Question1:-Dos Internal Commands


Question2:-DOS external commands


Question3:-External command is also called as_____________

Disk resident commands

Question4:-MS-DOS command that is not included in are called as_____________

External DOS Commands

Question5:-Internet commands were built in DOS _____________

shell commands

Question6:-APPEND Command

The append command can be used by programs to open files in another directory as if they were located in the current directory.

Question7:-CD and CHDIR command

Used to display the drive letter and folder that you are currently in. Chdir can also be used to change the drive and/or directory that you want to work in.


Identify and correct certain harddrive errors.


Clear the screen, previously entered commands.


This copies one ore more files from one location to another


The date command is used to show or change the current date.


The del command is used to delete one or more files.


The deltree command is used to delete a directory and all the files and subdirectories.


The dir command is used to display a list of files and folders that you are currently working in. it also display hard drive serial number.

Question15:- DOSKEY

This command is used to recall previously entered commands.

Question16:- EDIT

This command is used to create and modify text files.


For closing the session or existing comand window.

Question18:- FDISK

This command is used to create, manage and delete hard drive partitions.


This command is used to format a drive(delete all the content)

Question20:- MD OR MKDIR used to create a new folder

Runtime errors

Question21:- RENAME

Rename command is used to change the name of individual file.

Question22:- RESTORE

Restore command is used to restore files that were backed up.


Delete an existing folder.


Disk repair program

Question25:- UNDELETE

Undo a deletion performed with the MS-Dos delete command.


It shows the serial number of hard disk

Question27:- XCOPY

Copy more files or directories from one loaction to another location


it shows the present position


Version of the Microsoft windows running on your computer.

Question30:-DEL / ERASE

Delete one or more files

Question31:- MD and MKDIR

Make directory

Question32:-CD OR CHDIR

Change Directory


Remove Directory

Question34:- LABEL

To create ,change or delete the volume label of a disk.

Question35:- TREE

Graphical representation of directories and sub directories

Question36:-Computer classified as

3 types, Analog computer, Digital computer, Hybrid computer

Question37:- Analog computer

used for Temperature, pressure, distance, speed measuring purpose

Question38:-Digital computer

Binary system used to representing the data, this computer used for business and scientific application

Question39:-Hybrid computer

Combination of digital and analog computer. Using for data analysation purpose

Question40:-Types of Digital computer

Micro computer, Mini computer, Mainframe computer, Super computer

Question41:-What is Micro computer

Smallest and cheapest computer, Micro processsor as CPU,

Laptop, Desktop, Personal divices, Palmtop are included in this category

Question42:-What is mini computer

Multiple user can access this computer

Larger and powerful than micro computer

Smaller than mainframe computer

IBM, VAX 8842,HP9000, IBM701

Question43:-Mainframe computer

larger than micro and mini

can store huge amount of data and it can be used for big organization like railway,hospital, bank etc.

IBM 900 series

Question44:- Super computer

fastest ,expensive computer, it process trillion of instruction per second

Speed of super computer is measured in FLOPS

Used for scientific purpose, eg. CARY1, SAGA-220,PARAM, TITAN, ASCII RED, IBM Sequoia

Question45:-What is flops?

Floating point operation per second

Question46:-World fastest super computer .

Tenhe 2 (China)

Question47:-Brain of the computer


Question48:-How many parts have CPU

Three parts, Control Unit, ALU adn Memory

Question49:-Function of control unit

Coordinate all the activities of the other computer components.

Question50:-Function of ALU

It performs Logical operation, Arithemetic operation,

Question51:-Main circuit board of a computer

Mother baord

Question52:- What is Buses?

It is communication channel, All the components of in the motherboard can communicate with each other with the help of this channel

Question53:-Which is called as "back bone" of the computer

Mother board

Question54:-Which is called as "System Board"?

Mother board

Question55:-Which are the ports included in Mother board?

Serial port, Lan port, USB port, audioport, etc.

Question56:- SMPS

Switch Mode Power Supply

Question57:-Function of SMPS

Control and reduce the power supply

Question58:-How many keys have a standared key board?

101 keys

Question59:-Which one is the largest key in the key board


Question60:-How many function key in the key board


Question61:-Each key in key board have a unique _______ code


Question62:-Which is known as navigation key

Arrow key

Question63:- Which key is worked as cancel key


Question64:- Toggle keys

Caps lock and Num lock

Question65:-Modifier keys

Alt, Control, Shift keys

Question66:-Functions of F1 key

Always used as help key of every program

Enter CMOS setup / Bios setup, press F1 during the boot time

Windows key + F1, then go to wondow help support center

Question67:-Functions of F2 key ?

Renaming of selected icon, file, folder

In microsoft excel edit the active cell

Enter CMOS setup / Bios setup, press F2 during the boot time

Question68:-Functions of F3 key

Search window

in MS dos repeat the last command

Question69:-Functions of F4 key

Alt+F4 closes the program window currently active in Microsoft Windows.

Question70:-Functions of F5 key

Clearing the cache memory, it is also called refresh

Open find and raplce window in MS word

Start slide show in Power point

Question71:-Function of F6 ?

on browsers, move cursor to address bar

Question72:-Function of F7?

used to spell check and grammar check a document in Microsoft programs such as Microsoft Word, Outlook, etc

Shift+F7 , Thesaurus check on the word highlighted in MS word

Question73:-Function of F8

Function key used to enter the Windows startup menu, commonly used to access Windows Safe Mode.

Question74:-Function of F9

Refresh document in Microsoft Word.

Question75:-Function of F10

Enter Cmos / Bios setup

Shift+F10 is the same as right-clicking on a highlighted icon, file

Question76:- Function of F11

Enter and Exit of full scree of all modern browsers

Question77:-Function of F12

Open the save as window in MS word

Ctrl+F12 opens a document In Word

Ctrl+Shift+F12 prints a document in Microsoft Word.

Question78:-___________ key is used to return to the startig a line

Home key

Question79:-___________ key is used to end of the line

End key

Question80:-___________ key deletes a character after the cursor

Delete key

Question81:-___________ key deletes a character before the cursor

Back space key

Question82:-__________ key is oppostie key of space key

Back space key

Question83:-________ key used to startup menu

Windows key

Question84:-____________ is a pointing and input device


Question85:- Speed and Sensitivity of mouse is measure in _________ unit


Question86:- One Micky = ___________

1/1200 inch

Question87:-___________ is used insted of mouse in Laptop?

Touch pad

Question88:-__________ device is used to to input voice into the computer


Question89:-___________ is used to read text from paper

OCR ( Optical Character Reader )

Question90:-____________ device is used to convert analog information into digital form


Question91:- ___________ device is used to convert Text or Image into soft form (binary format)


Question92:- Track ball working like as ________________


Question93:-Light pen is an _________________ device

Input device ( for selecting an object)

Question94:-Cheque printed on special character and special ink, it can be read with the help of ____________ device

MICR ( Magnetic Ink Character Recognition ) printer / device

Question95:-Joy stick used for ___________ purpose


Question96:-________ device is uesed to read the data recorded by pen or pencil

OMR (Optical Mark Reader)

Question97:- what is Stylus

a stylus (or stylus pen) is a small pen-shaped instrument that is used to input commands to a computer screen, mobile device or graphics tablet.

Question98:-What is QR Code

Quick Response Code, it store single data

Question99:-What is zapper code?

Zapper code is like as QR code, but it can store multiple data like url, video, music, image, pdf, etc.

Question100:- What is Yoke ?

It is a Input device for computer gaming.