Which of the following are the cheapest memory devices in terms of Cost/Bit?
Semiconductor memories
Magnetic Disks
Compact Disks
Magnetic Tapes
Correct Answer :
C. Compact Disks
Related Questions
A register organized to allow to move left or right operations is called a
Counter
Loader
Adder
Shift register
Which is a semi conductor memory?
Dynamic
Static
Bubble
Both a & b
Which of the following items are examples of storage devices?
Floppy / hard disks
CD-ROMs
Tape devices
All of the above
Each set of Napier's bones consisted of rods.
5
9
11
13
To access properties of an object, the mouse technique to use is-
Dragging
dropping
right-clicking
shift-clicking
When was Apple Macintosh II microcomputer introduced in the market?
1964
1970
1983
1986
IBM stands for
Internal Business Management
International Business Management
International Business Machines
Internal Business Machines
How many numbers could ENIAC store in its internal memory
100
20
80
40
Floppy disks which are made from flexible plastic material are also called?
Hard disks
High-density disks
Diskettes
Templates
The first general purpose electronic computer in the world was
UNIVAC
EDVAC
ENIAC
All of above
Easily reloctable language is
Machine language
Assembly language
High level language
Medium level language
Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
CAD stands for
Computer aided design
Computer algorithm for design
Computer application in design
All of the above
Web cam is an
input unit device
output unit device
processing device
Input and Output device
IBM 7000 digital computer
Belongs to second generation
Uses VLSI
Employs semiconductor memory
Has modular constructions
What are the computers called that performs calculations and comparisons usually in the binary numbering system?
Analog Computers
Digital Computers
Hybrid Computers
None of above
A system is
an integration of different units so as to achieve an objective
input unit
input and output unit
input, output and storage units
How many bit code is used by Murray code for TELEPRINTER machines.
4
5
9
25
MICR stands for
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Case Reader
None of the above
Trackball is A________
Input device
Output device
Programming language
Software
From which generation operating systems were developed?
First
Second
Third
Fourth
The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as
Magnetic core memory
Magnetic tape memory
Magnetic disk memory
Magnetic bubble memory
Which of the following is not an electronic computer?
ENIAC
ABC
UNIVAC
EDVAC
The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not work on the stored program concept. How many numbers could it store in its internal memory?
100
20
40
80
ASCII is a coding system that provides
256 different characters
512 different characters
1024 different characters
128 different characters
The value of each bead in heaven is
1
2
3
7
A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a-
Hacker
spammer
instant messenger
programmer
What is the name of the display feature that highlights are of the screen which requires operator attention?
Pixel
Reverse video
Touch screen
Cursor
BCD is
Binary Coded Decimal
Bit Coded Decimal
Binary Coded Digit
Bit Coded Digit
An optical input device that interprets pencil marks on paper media is
OMR
Punch card reader
Optical scanners
Magnetic tape