A device invented by Dr. Bobeck in 1966, for mass storage of data is
Punched paper tape
Magnetic bubble storage
Magnetic tape
Magnetic disk
Correct Answer :
B. Magnetic bubble storage
Related Questions
Each set of Napier's bones consisted of rods.
5
9
11
13
While inserting a diskette into the diskette drive of a PC, the diskette's label side should face
East
North
South
Up
In latest generation computers, the instructions are executed
Parallel only
Sequentially only
Both sequentially and parallel
All of above
Who invented vacuum tubes?
John Bardeen
William Shockley
Lee de Forest
All of above
Registers, which are partially visible to users and used to hold conditional, are known as
PC
Memory address registers
General purpose register
Flags
Which operation is not performed by computer
Inputting
Processing
Controlling
Understanding
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
What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?
Mark I
ABC
Z3
None of above
Which of the following IC was used in third generation of computers?
SSI
MSI
LSI
Both a and b
Bit map terminal
support display containing multiple windows
require considerable amount of video RAM
requires tremendous amount of copying and hence low performance
all of above
From which generation computers the printers were used?
first
second
third
fourth
A device that connects to a network without the use of cables is said to be-
Distributed
free
centralized
none of these
The output quality of a printer is measured by
Dot per sq. inch
Dots per inch
Dots printed per unit time
All of the above
Which of the following programming language started from second generation?
LISP
C
QBASIC
FORTRAN
Which statement is valid about interpreter?
It translates one instruction at a time
Object code is saved for future use
Repeated interpretation is not necessary
All of above
The commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
ASCII
EBCDIC
BCD
All of above
Bit stands for
Binary digits
bit of system
a part of byte
All of above
Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
The central processing unit (CPU) consists of
Input, output and processing
Control unit, primary storage, and secondary storage
Control unit, arithmetic-logic unit and primary storage
Control unit, processing, and primary storage
Which is a machine-oriented high-level language for the GEC 4080 series machines.
LOGO
SNOBOL
Babbage
ALGOL
By programmable machine we mean
computers
modern television
washing machines
anything that can be set to perform different tasks with suitable programs
MSI stands for
Medium Scale Integrated Circuits
Medium System Integrated Circuits
Medium Scale Intelligent Circuit
Medium System Intelligent Circuit
A 32 bit microprocessor has the word length equal to
2 byte
32 byte
4 byte
8 byte
Which of the following is an example of fifth generation computer?
PIM/m
ICL 2950
IBM 1401
None of above
The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
Why ABC is considered electro-mechanical computer?
Because it was invented before electronic computers were developed
Because there are wheels, drums, bars to rotate and move to produce result
Because they use the flow of electrons in different component
None of above
Which of the following are the best units of data on an external storage device?
Bits
Bytes
Hertz
Clock cycles
Which of the following is considered first computer in the world?
Z3
ABC
Mark I
None of above
A term associated with the comparison of processing speeds of different computer system is:
EFTS
MPG
MIPS
CPS