Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
Correct Answer :
D. All of the above
Related Questions
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
WAN stands for
Wap Area Network
Wide Area Network
Wide Array Net
Wireless Area Network
Which computer memory is used for storing programs and data currently being processed by the CPU?
Mass memory
Internal memory
Non-volatile memory
PROM
Which of the following is required when more than one person uses a central computer at the same time?
Terminal
Light pen
Digitizer
Mouse
Mnemonic a memory trick is used in which of the following language?
Machine language
Assembly language
High level language
None of above
How many numbers could ENIAC store in its internal memory
100
20
80
40
The first computers were programmed using
assembly language
machine language
source code
object code
In a computer_____ is capable to store single binary bit.
Capacitor
Flip flop
Register
Inductor
A computer program that converts an entire program into machine language is called a/an
Interpreter
Simulator
Compiler
Commander
The advantage of COM are its __ and __
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
A computer assisted method for the recording and analyzing of existing or hypothetical systems is
Data transmission
Data flow
Data capture
Data processing
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Touch panel
Mouse
Wand
Writing tablet
Which one is the largest space?
kilobyte
petabyte
terabyte
gigabyte
Which of the following is/ are operating systems
Windows
Unix
OS/2
All of these
A computer program that translates one program instructions at a time into machine language is called a/an
Interpreter
CPU
Compiler
Simulator
ASCII and EBCDIC are the popular character coding systems.What does EBCDIC stand for?
Extended Binary Coded Decimal Interchange Code
Extended Bit Code Decimal Interchange Code
Extended Bit Case Decimal Interchange Code
Extended Binary Case Decimal Interchange Code
Who invented the high level language C�?
Dennis M. Ritchie
Niklaus Writh
Seymour Papert
Donald Kunth
Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as
PC
Flags
Memory Address Registers
General Purpose Registers
Which access method is used for obtaining a record from a cassette tape?
Direct
Sequential
Random
All of the above
The tracks on a disk which can be accessed without repositioning the R/W heads is
Surface
Cylinder
Cluster
All of the above
MIS is designed to provide information needed for effective decision making by?
Consumers
Workers
Foremen
Managers
Size of the primary memory of a PC ranges between
2KB to 8KB
64KB & 256KB
256KB & 640KB
None of these
RAM is used as a short memory because it is
Volatile
Has small capacity
Is very expensive
Is programmable
When did John Napier develop logarithm?
1416
1614
1641
1804
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 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
Which of the following helps to protect floppy disks from data getting accidentally erased?
Access notch
Write-protect notch
Entry notch
Input notch
________ computers operate essentially by counting
Portable computer
Hybrid computer
Analog computer
Digital computer
One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
The BIOS is the abbreviation of .
Basic Input Output System
Best Input Output System
Basic Input Output Symbol
Base Input Output System