Question1:-Dos Internal Commands
DATE, TIME, VOL, VER, CLS,COPY CON, DIR, MD, DEL, REN, TYPE, PROMPT, PAUSE etc.
Question2:-DOS external commands
ATTRIB, SORT, EDIT,FDISK, CHKDSK, DOSKEY, BACKUP, RESTORE, TREE, MOVE, DISKCOPY, FIND, XCOPY, MORE, LABLE, FORMATE etc.
Question3:-External command is also called as_____________
Disk resident commands
Question4:-MS-DOS command that is not included in command.com are called as_____________
External DOS Commands
Question5:-Internet commands were built in DOS _____________
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.
This command is used to recall previously entered commands.
This command is used to create and modify text files.
For closing the command.com session or existing comand window.
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
Rename command is used to change the name of individual file.
Restore command is used to restore files that were backed up.
Delete an existing folder.
Disk repair program
Undo a deletion performed with the MS-Dos delete command.
It shows the serial number of hard disk
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
Question32:-CD OR CHDIR
To create ,change or delete the volume label of a disk.
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
Binary system used to representing the data, this computer used for business and scientific application
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
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,