DOS stands for
Disk Operating System
Disk operating session
Digital Operating System
Digital Open system
Correct Answer :
A. Disk Operating System
Related Questions
The programs which are as permanent as hardware and stored in ROM is known as
Hardware
Software
Firmware
ROM ware
Second Generation computers were developed during
1949 to 1955
1956 to 1965
1965 to 1970
1970 to 1990
When was Pascaline invented?
1617
1620
1642
1837
In analog computer
Input is first converted to digital form
Input is never converted to digital form
Output is displayed in digital form
All of the above
Hard disk is coated in both side with
Magnetic metallic oxide
Optical metallic oxide
Carbon layer
All of the above
The process of communicating with a file from a terminal is
Interactive
Interrogation
Heuristic
All of the above
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
Which of the following statement is false?
Mechanical analog computers have existed for thousands of years
There are mechanical analog computers and electronic analog computers.
All electronic computers are digital computers
All of above are false
An operating system intended for use on microprocessor based systems that support a single user is
PC-DOS
MS-DOS
UNIX
CP/M
Microprocessors as switching devices are for which generation computers?
First Generation
Second Generation
Third Generation
Fourth Generation
Which computer support co-processors?
XT computer
AT computers
None of these
Both of these
An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:
Trojan horse.
Virus.
Time bomb.
Time-related bomb sequence.
The brain of any computer system is
ALU
Memory
CPU
Control unit
ASCII stands for
American standard code for information interchange
All purpose scientific code for information interchange
American security code for information interchange
American Scientific code for information interchange
Which statement is valid about computer program?
It is understood by a computer
It is understood by programmer
It is understood user
Both a & b
When did arch rivals IBM and Apple Computers Inc. decide to join hands?
1978
1984
1990
1991
Touch Screen is________
Input device
Output device
Both a & b above
None of these
A number which is stored and processed but not in the standard exponential form is called
Floating point number
Fixed point number
Octal number
Decimal number
Which was the computer conceived by Babbage?
Analytical engine
Arithmetic machine
Donald Knuth
All of above
Which of the following memory medium is not used as main memory system?
Magnetic core
Semiconductor
Magnetic tape
Both semiconductor and magnetic tape
EBCDIC stands for
Extended Binary Coded Decimal Interchange Code
Extended Bit Code Decimal Interchange Code
Extended Bit Case Decimal Interchange Code
Extended Binary Case Decimal Interchange Code
CD-ROM stands for
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
A dumb terminal has
an embedded microprocessor
extensive memory
independent processing capability
a keyboard and screen
Which of the following magazines covers only the IBM PC and its compatibles?
Byte
PC Magazine
Personal Computing
Interface Age
A modern electronic computer is a machine that is meant for
Doing quick mathematical calculations
Input storage, manipulation of outputting of data
Electronic data processing
Performing repetitive tasks accurately
Personal computers used a number of chips mounted on a main circuit board. What is the common name for such boards?
Daughterboard
Motherboard
Father board
Child board
________ is the measurement of things such as fingerprints and retinal scans used for security access.
Biometrics
Bio measurement
Computer security
Smart weapon machinery
Who is the father of personal computer?
Edward Robert
Allen Turing
Charles Babbage
None of these
The arranging of data in a logical sequence is called
Sorting
Classifying
Reproducing
Summarizing
Examples of output devices are
Screen
Printer
Speaker
All of these