Which of the following is input device?
scanner
speaker
monitor
projector
Correct Answer :
A. scanner
Related Questions
Who suggested Stored Program Concept
John Mauchley
J.P. Eckert
John Neumann
Joseph Jacquard
How many types of storage loops exists in magnetic bubble memory
8
4
16
2
You use a(n) ________, such as a keyboard or mouse, to input information
output device
input device
storage device
processing device
What is required when more than one person uses a central computer at the same time?
Light pen
Mouse
Digitizer
Terminal
An approach that permits the computer to work on several programs instead of one is
On-line thesaurus
Multiprogramming
Over lapped processing
Outline processor
Tape speed is measured in
Feet per second
Inch per second
Meter per second
Centimeter per second
Which device is required for the Internet connection?
Joystick
Modem
CD Drive
NIC Card
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
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
Which technology is more reliable?
Mechanical
Electro-Mechanical
Electronic
For reliability it does not matter. So all of above are reliable
What was the expected feature of fifth generation computers when Japan started FGCS?
Operating Systems
Paralled Processing
ULSI
None of above
Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):
Hacker-proof program.
Firewall.
Hacker-resistant server.
Encryption safe wall.
Floppy disks which are made from flexible plastic material are also called?
Hard disks
High-density disks
Diskettes
Templates
Which of the following is also known as brain of computer
Control unit
Central Processing unit
Arithmetic and language unit
Monitor
A term associated with the comparison of processing speeds of different computer system is:
EFTS
MPG
MIPS
CPS
The processing speed of first generation computers was
milliseconds
microseconds
nanoseconds
picoseconds
The organization and interconnection of the various components of a computer system is
Architecture
Networks
Graphics
Designing
Which computers are used as servers for any medium sized organizations?
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216
65,536
64K
Any of the above
A factor which would strongly influence a business person to adopt a computer is its
Accuracy
Reliability
Speed
All of above
A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
Laser printer
Ink-jet printer
Drum printer
Chan printer
Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
Light pen and joystick are________
Algorithm
Input devices
Output devices
Portals
Which was the computer conceived by Babbage?
Analytical engine
Arithmetic machine
Donald Knuth
All of above
A compiler is a translating program which
Translates instruction of a high level language into machine language
Translates entire source program into machine language program
It is not involved in programs execution
All of above
Computer memory consists of
RAM
ROM
PROM
All of the above
When was the transistors invented?
1948
1938
1958
1968
A stand-alone system which produces one page of printed output at a time is
Page printer
Line printer
Laser printer
Dot matrix printer
________ Is the functional key to display Save-As box.
F5
F6
F9
F12
The time for which a piece of equipment operates is called
Seek time
Effective time
Access time
Real time