In order to play and hear sound on a computer, one needs:
A sound card and speakers
A microphone
All of them required
None of them required
Correct Answer :
A. A sound card and speakers
Related Questions
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
People often call ______ as the brain of computer system
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
In latest generation computers, the instructions are executed
Parallel only
Sequentially only
Both sequentially and parallel
All of above
Daisy wheel, Drum, chain etc are the ________
Flow chart
Mouse
Key board
Printers
Which unit converts computer data into human readable form?
Input unit
Output unit
ALU
Control Unit
The radian of a number system
Is variable
Has nothing to do with digit position value
Equals the number of its distinct counting digits
Is always an even number
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
The language that the computer can understand and execute is called
Machine language
Application software
System program
All of above
The output quality of a printer is measured by
Dots per inch
Dot per sq. inch
Dots printed per unit time
All of above
A compiler means
A person who compiles source programs
The same thing as a programmer
Keypunch operator
A program which translates source program into object program
Which of the following is a class of computers based on model?
Digital Computer
Hybrid Computers
Analog Computers
AT Computers
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
Capacitance keyboard
Mechanical keyboard
Qwerty keyboard
Dvorak keyboard
The subject of cybernetics deals with the science of
Genetics
Control and communication
Molecular biology
Biochemistry
The arranging of data in a logical sequence is called
Sorting
Classifying
Reproducing
Summarizing
Primary memory stores
Data alone
Programs alone
Results alone
All of these
What type of virus uses computer hosts to reproduce itself?
Time bomb
Worm
Melissa virus
Macro virus
________ computer is small general purpose micro computer, but larger than portable computer
Hybrid
Digital
Desktop
Laptop
Which of the following memories needs refresh?
SRAM
DRAM
ROM
All of above
Which of the following are the cheapest memory devices in terms of Cost/Bit?
Semiconductor memories
Magnetic Disks
Compact Disks
Magnetic Tapes
EBCDIC can code up to how many different characters?
256
16
32
64
FORTRAN is
File Translation
Format Translation
Formula Translation
Floppy Translation
Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?
Napier
Babbage
Pascal
Leibniz
Magnetic disks are the most popular medium for
None of above
Both of above
Sequential access
Direct access
A term associated with the comparison of processing speeds of different computer system is:
EFTS
MPG
MIPS
CPS
Symbolic languages were developed in
1962
1950
1974
1980
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
The device used to carry digital data on analogue lines is called as
Modem
Multiplexer
Modulator
Demodulator
MSI is the abbreviation of
Medium Scale Integrated
Medium System Integrated
Medium Scale Intelligent
Medium System Intelligent
Which was the computer conceived by Babbage?
Analytical engine
Arithmetic machine
Donald Knuth
All of above
An error in software or hardware is called a bug. What is the alternative computer jargon for it?
Leech
Squid
Slug
Glitch