Which of the following are the best units of data on an external storage device?
Bits
Bytes
Hertz
Clock cycles
Correct Answer :
B. Bytes
Related Questions
Who designed the first electronics computer ? ENIAC/
Von Neumann
Joseph M Jacquard
J. P. Eckert and J. W. Mauchly
All of above
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
Which of the following memories must be refreshed many times per second?
Static RAM
Dynamic RAM
EPROM
ROM
First generation computers used _________ for memory
vacuum tubes
silicon chips
magnetic drum
RAM
The secondary storage devices can only store data but they cannot perform
Arithmetic Operation
Logic operation
Fetch operations
Either of the above
Cathode Ray Tube is a form of________
Keyboard
Mouse
Monitor
Mother board
Central Processing Unit is combination of
Control and storage
Control and output unit
Arithmetic logic and input unit
Arithmetic logic and control unit
Which of the following required large computer memory?
Imaging
Graphics
Voice
All of above
Who invented vacuum tubes?
John Bardeen
William Shockley
Lee de Forest
All of above
Who is credited with the idea of using punch cards to control patterns in a waving machine?
Pascal
Hollerith
Babbage
Jacquard
To produce high quality graphics (hardcopy) in color, you would want to use a/n
RGB monitor
Plotter
Ink-jet printer
Laser printer
The word processing task associated with changing the appearance of a document is
Editing
Writing
Formatting
All of above
Which of the following is the coding of data so that is can't be easily understood if intercepted.
Barcode
Decoder
Encryption
Mnemonics
An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Magnetic tape
Voice response unit
Voice recognition unit
Voice band
Which of the following devices can be sued to directly image printed text?
OCR
OMR
MICR
All of above
Which programming languages are classified as low level languages?
Basic, COBOL, FORTRAN
Prolog 2, Expert Systems
Knowledge based Systems
Assembly Languages
A dumb terminal has
an embedded microprocessor
extensive memory
independent processing capability
a keyboard and screen
Word length of a Personal Computer is
4 bits
8 bits
16 bits
64 bits
What was the first computer brought in Nepal?
ICL/2950
ENIAC
IBM 1401
None of above
The metal disks, which are permanently housed in, sealed and contamination free containers are called
Hard disks
Floppy disk
Winchester disk
Flexible disk
A language which is close to that used within the computer is
High-level language
Assembly language
Low-level language
All of the above
What do you call the programs that are used to find out possible faults and their causes?
operating system extensions
cookies
diagnostic software
boot diskettes
IBM 1401 computer was
Mainframe Computer
Mini Computers
Micro Computers
None of above
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216
65536
64K
Any of the above
Computer instructions written with the use of English words instead of binary machine code is called
Mnemonics
Symbolic code
Gray codes
Opcode
A name applied by Intel corp. to high speed MOS technology is called
HDLC
LAP
HMOS
SDLC
Instruction in computer languages consists of
OPCODE
OPERAND
Both of above
None of 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
Bit map terminal
support display containing multiple window
require considerable amount of video RAM
requires tremendous amount of copying and hence low performance
all of above
Which of the following is called low level languages?
Machine language
Assembly language
Both of the above
None of above