Which technology is more reliable?
Mechanical
Electro-Mechanical
Electronic
For reliability it does not matter. So all of above are reliable
Correct Answer :
C. Electronic
Related Questions
Which of the following is first generation of computer?
EDSAC
IBM-1401
CDC-1604
ICL-2900
Size of the primary memory of a PC ranges between
2KB to 8KB
64KB & 256KB
256KB & 640KB
None of these
Coded entries which are used to gain access to a computer system are called
Entry codes
Passwords
Security commands
Code words
Where as a computer mouse moves over the table surface, the trackball is
Stationary
Difficult to move
Dragged
Moved in small steps
The typical computer criminal is a(n):
Young hacker.
Trusted employee with no criminal record.
Trusted employee with a long, but unknown criminal record.
Overseas young cracker.
A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
Super computer
Minicomputer
Micro computer
Macro computer
A Pixel is
A computer program that draws picture
A picture stored in secondary memory
The smallest resolvable part of a picture
None of these
Which technology is used in Compact disks?
Mechanical
Electrical
Electro Magnetic
Laser
Which of the following is not anti-viruses software?
NAV
F-Prot
Oracle
McAfee
Who suggested Stored Program Concept
John Mauchley
J.P. Eckert
John Neumann
Joseph Jacquard
Which of the following does not affect the resolution of a video display image?
Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
The first Macintosh computer was from
First generation
Second generation
Third generation
Fourth generation
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
Which of the following storage devices can store maximum amount of data?
Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk
Which 8-bit chip was used in many of today's TRS-80 computers?
Z-8000
Motorola 6809
Z-8808
Z-80
Easily reloctable language is
Machine language
Assembly language
High level language
Medium level language
Which characteristic of computer distinguishes it from electronic calculators?
Accuracy
Storage
Versatility
Automatic
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
The difference between people with access to computers and the Internet and those without this access is known as the :
digital divide
Internet divide
Web divide
E-illiteracy
High density double sided floppy disks could store of data
1.40 MB
1.44 GB
1.40 GB
1.44 MB
Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
UNIVAC is
Universal Automatic Computer
Universal Array Computer
Unique Automatic Computer
Unvalued Automatic Computer
Computers with 80286 microprocessor is
XT computer
AT comptuers
PS/2 computer
None of above
________ are high-end printers
Inkjet
Laser
Thermal
Dot matrix
What are the stages in the compilation process?
Feasibility study, system design and testing
Implementation and documentation
Lexical Analysis, syntax analysis, and code generation
None of the above
What characteristic of read-only memory (ROM) makes it useful?
ROM information can be easily updated
Data in ROM is non-volatile, that is, it remains there even without electrical power.
ROM provides very large amounts of inexpensive data storage.
ROM chips are easily swapped between different brands of computers.
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
The purpose of vacuum tube was to NOT act like
an amplifier
a switch
a router
None of above
Which of the following class of computers cannot support multiple users simultaneously?
Mainframe Computer
Mini Computers
Micro Computers
All of them can support
EEPROM stands for
Electrically Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory
Electronic Erasable Programmable Read Only Memory
None of the above