The binary system uses powers of
2
10
8
16
Correct Answer :
A. 2
Related Questions
CAD stands for
Computer aided design
Computer algorithm for design
Computer application in design
All of the above
The system unit of a personal computer typically contains all of the following except:
Microprocessor
Disk controller
Serial interface
Modem
COBOL is widely used in application s
Commercial
Scientific
Space
Mathematical
Computer is free from tiresome and boardroom. We call it
Accuracy
Reliability
Diligence
Versatility
Which part of the computer is directly involved in executing the instructions of the computer program?
The scanner
The main storage
The secondary storage
The processor
RAM can be treated as the ________ for the computer's processor
factory
operating room
waiting room
planning room
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
The term gigabyte refers to
1024 bytes
1024 kilobytes
1024 megabytes
1024 gigabyte
Time during which a job is processed by the computer is
Delay times
Real time
Execution time
Down time
What was the expected feature of fifth generation computers when Japan started FGCS?
Operating Systems
Paralled Processing
ULSI
None of above
Which computer memory is used for storing programs and data currently being processed by the CPU?
Mass memory
Internal memory
Non-volatile memory
PROM
The advantage of COM are its __ and __
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
An example of a digital device can be
Digital clock
Automobile speed meter
Clock with a dial and two hands
All of the above
The output quality of a printer is measured by
Dots per inch
Dot per sq. inch
Dots printed per unit time
All of above
When was the world's first laptop computer introduced in the market and by whom?
Hewlett-Packard
Epson, 1981
Laplink traveling software In1982
Tandy model-2000, 1985
The time for which a piece of equipment operates is called
Seek time
Effective time
Access time
Real time
________ are used for plotting graphs and design on papers
Trackball
Joystick
Light pen
Plotters
Collecting personal information and effectively posing as another individual is known as the crime of:
Spooling.
Identity theft.
Spoofing.
Hacking.
When did IBM introduce the 20286 based PC/AT?
1982
1984
1985
1989
The difference between memory and storage is that memory is _____ and storage is __
Temporary, permanent
Permanent, temporary
Slow, fast
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
The central processing unit (CPU) consists of
Input, output and processing
Control unit, primary storage, and secondary storage
Control unit, arithmetic-logic unit and primary storage
Control unit, processing, and primary storage
Binary numbers need more places for counting because
They are always big numbers
Any no. of 0's can be added in front of them
Binary base is small
0's and l's have to be properly spaced apart
The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not work on the stored program concept. How many numbers could it store in its internal memory?
100
20
40
80
CD-ROM stands for
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
A song being played on computer speaker is
hard output
soft output
both hard and soft output
neither hard nor soft output
Magnetic disks are the most popular medium for
Direct access
Sequential access
Both of above
None of above
Magnetic disks are the most popular medium for
Direct access
Sequential access
Both of above
None of above
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
A ________ is an additional set of commands that the computer displays after you make a selection from the main menu
dialog box
submenu
menu selection
All of the above