What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
Correct Answer :
B. Direct Memory Access
Related Questions
Which of the following items are examples of storage devices?
Floppy / hard disks
CD-ROMs
Tape devices
All of the above
A group of magnetic tapes, videos or terminals usually under the control of one master is
Cylinder
Cluster
Surface
Track
Instructions and memory address are represented by
Character code
Binary codes
Binary word
Parity bit
Computer operators
writes computer programs for specific problems
operate the device which input and output data from the computer
normally require a college degree in computer science
all of the above
Which is not a comptuer of first generation?
ENIAC
UNIVAC
IBM 360
IBM 1401
Signals can be analog or digital and a computer that processes the both type of signals is known as
Analog computer
Digital Computer
Hybrid Computer
Mainframe Computer
Which of the following is not a storage medium?
Hard disk
Flash drive
DVD
scanner
Regarding a VDU, Which statement is more correct?
It is an output device
It is an input device
It is a peripheral device
It is hardware item
While inserting a diskette into the diskette drive of a PC, the diskette's label side should face
East
North
South
Up
________ is the ability of a device to "jump" directly to the requested data
Sequential access
Random access
Quick access
All of the above
Which of the following is a storage device?
Tape
Hard Disk
Floppy Disk
All of the 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
Which of the following require large computers memory?
Imaging
Graphics
Voice
All of Above
Magnetic disks are the most popular medium for
Direct access
Sequential access
Both of above
None of above
FORTRAN is
File Translation
Format Translation
Formula Translation
Floppy Translation
Which of the following storage device can store the largest amount of data?
Hard Disks
Flash Disks
Blu-Ray Disks
DVDs
From which generation operating systems were developed?
First
Second
Third
Fourth
To produce high quality graphics (hardcopy) in color, you would want to use a/n
RGB monitor
Ink-jet printer
Plotter
Laser printer
ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
Which of the following memories needs refresh?
SRAM
DRAM
ROM
All of above
Registers, which are partially visible to users and used to hold conditional, are known as
PC
Memory address registers
General purpose register
Flags
The main electronic component used in first generation computers was
Transistors
Vacuum Tubes and Valves
Integrated Circuits
None of above
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
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
Seek time is
Time to position the head over proper track
Time to position the head over proper sector
Time to position the head over proper cylinder
None of above
Who invented the microprocessor?
Marcian E Huff
Herman H Goldstein
Joseph Jacquard
All of above
Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
Before a disk drive can access any sector record, a computer program has to provide the records disk address. What information does this address specify?
Track number
All of above
Sector number
Surface number
Multi user systems provided cost savings for small business because they use a single processing unit to link several
Personal computers
Workstations
Dumb terminals
Mainframes
Which of the following is a feature of fifth generation computers?
Use of natural language
artificial intelligence
bio-chips
All of above