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
Correct Answer :
B. Dumb terminal
Related Questions
DOS stands for
Disk Operating System
Disk operating session
Digital Operating System
Digital Open system
A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
An integrated circuit is
A complicated circuit
An integrating device
Much costlier than a single transistor
Fabricated on a tiny silicon chip
What is the most common tool used to restrict access to a computer system?
User logins
Passwords
Computer keys
Access-control software
The first computer introduced in Nepal was
IBM 1400
IBM 1401
IBM 1402
IBM1402
Which of the following require large computers memory?
Imaging
Graphics
Voice
All of Above
Which of the following statement is false?
Mechanical analog computers have existed for thousands of years
There are mechanical analog computers and electronic analog computers.
All electronic computers are digital computers
All of above are false
A dumb terminal has
an embedded microprocessor
extensive memory
independent processing capability
a keyboard and screen
To locate a data item for storage is
Field
Feed
Database
Fetch
What is the main difference between a mainframe and a super computer?
Super computer is much larger than mainframe computers
Super computers are much smaller than mainframe computers
Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many
Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
________ is the key to close a selected drop -down list; cancel a command and close a dialog box.
TAB
SHIFT
ESC
F10
Which of the following is machine independence program?
High level language
Low level language
Assembly language
Machine language
What are the three decisions making operations performed by the ALU of a computer?
Grater than
Less than
Equal to
All of the above
Which of the following generation computers had expensive operation cost?
First
Second
Third
Fourth
A type of channel used to connect a central processor and peripherals which uses multiplying is known as
Modem
Network
Multiplexer
All of the above
Through which device the main components of the computer communicate with each other?
Keyboard
System Bus
Monitor
Memory
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 paper printout of a document is known as
Softcopy output
Hardcopy output
Permanent Output
All of above
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
Motherboard
Breadboard
Daughter board
Grandmother board
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
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
In analogue computer
Input is first converted to digital form
Input is never converted to digital form
Output is displayed in digital form
All of above
A 32 bit microprocessor has the word length equal to
2 byte
32 byte
4 byte
8 byte
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
________ is the ability of a device to "jump" directly to the requested data
Sequential access
Random access
Quick access
All of the above
Which statement is valid about computer program?
High level languages must be converted into machine language to execute
High level language programs are more efficient and faster to execute
It is more difficult to identify errors in high level language program than in low level programs
All of above
The main electronic component used in first generation computers was
Transistors
Integrated Circuits
None of above
Vacuum Tubes and Valves
A computer program that converts an entire program into machine language is called a/an
Interpreter
Simulator
Compiler
Commander
When was the first electro-mechanical computer developed?
1880
1990
1944
None of above
Which is not a computer of first generation?
ENIAC
UNIVAC
IBM 360
IBM 1401