Which of the following have the fastest access time?
Semiconductor Memories
Magnetic Disks
Magnetic Tapes
Compact Disks
Correct Answer :
A. Semiconductor Memories
Related Questions
What does the disk drive of a computer do?
Rotate the disk
Read the disk
Load a program from the disk into the memory
Both b and c
Instruction in computer languages consists of
OPCODE
OPERAND
Both of above
None of above
An integrated circuit is
A complicated circuit
An integrating device
Much costlier than a single transistor
Fabricated on a tiny silicon chip
In the IBM PC-At, what do the words AT stand for
Additional Terminals
Advance technology
Applied technology
Advanced terminology
Which of the following is used as a primary storage device?
Magnetic drum
Hard Disks
Floppy
All of above
A modern electronic computer is a machine that is meant for
Doing quick mathematical calculations
Input, storage, manipulation and outputting of data
Electronic data processing
Performing repetitive tasks accurately
Which of the following controls the process of interaction between the user and the operating system?
User interface
Language translator
Platform
Screen saver
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
Binary numbers need more places for counting because
They are always big numbers
Any no. of 0's can be added in front of them
Binary base is small
0's and l's have to be properly spaced apart
Which of the following storage devices can store maximum amount of data?
Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk
A program that converts computer data into some code system other than the normal one is known as
Encoder
Simulation
Emulator
Coding
The number of records contained within a block of data on magnetic tape is defined by the
Block definition
Record contain clause
Blocking factor
Record per block
Mostly which of the following device is used to carry user files?
Floppy Disk
Hard Disk
RAM
CDROM
Who invented Slide Rules?
John Napier
William Oughtred
Gottfried Leibnitz
Blaise Pascal
Second Generation computers were developed during
1949 to 1955
1956 to 1965
1965 to 1970
1970 to 1990
The secondary storage devices can only store data but they cannot perform
Arithmetic Operation
Logic operation
Fetch operations
Either of the above
Which is the limitation of high level language?
Lower efficiency
Machine dependence
Machine level coding
none of above
The personnel who deals with the computer and its management put together are called
Software
Human ware
Firmware
Hardware
Servers are computers that provide resources to other computers connected to a:
networked
mainframe
supercomputer
client
Which of the following is used only for data entry and storage, and never for processing?
Mouse
Dumb terminal
Micro computer
Dedicated data entry system
Who designed the first electronics computer ? ENIAC/
Von Neumann
Joseph M Jacquard
J. P. Eckert and J. W. Mauchly
All of above
MICR stands for
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None
IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the country which contribu
India
China
Germany
Taiwan
Access time is
seek time + latency time
seek time
seek time ? latency time
latency time
Which unit converts computer data into human readable form?
Input unit
Output unit
ALU
Control Unit
An input /output device at which data enters or leaves a computer system is
Keyboard
Terminal
Printer
Plotter
Magnetic tape can serve as
Secondary storage media
Output media
Input media
All of the above
The lower deck of an abacus is known as
heaven
sky
earth
floor
Which of the following devices can be sued to directly image printed text?
OCR
OMR
MICR
All of above
First generation computers used _________ for memory
vacuum tubes
silicon chips
magnetic drum
RAM