Which of the following memories need refresh?
SRAM
DRAM
ROM
All of the above
Correct Answer :
B. DRAM
Related Questions
Which of the following is a class of computers based on model?
Digital Computer
Hybrid Computers
Analog Computers
AT Computers
The digital computer was developed primarily in
USSR
Japan
USA
UK
A hard copy would be prepared on a
Line printer
Dot matrix Printer
Typewriter terminal
All of the above
Which of the following is true?
Mark I was 8 feet long
Mark I was 2 feet long
Mark I was 40 feet long
None of above
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
Most important advantage of an IC is its
Easy replacement in case of circuit failure
Extremely high reliability
Reduced cost
Lower power consumption
The first digital computer built with IC chips was known as
IBM 7090
Apple ? 1
IBM System / 360
VAX-10
The storage subsystem in a microcomputer consists mainly of or media with varying capacities
Memory or video
Magnetic or optical
Optical or memory
Video or magnetic
Who built the first Mechanical Calculator?
Joseph Marie Jacquard
John Mauchly
Blaise Pascal
Howard Aiken
RJ45 UTP cable has ________ Cables.
2 pair
3 pair
4 pair
5 pair
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 statement is valid?
Lady Augusta is the first programmer
Ada is the daughter of Lord Byron, a famous English poet
ADA is a programming language developed by US Defense
All of above
The two major types of computer chips are
External memory chip
Primary memory chip
Microprocessor chip
Both b and c
The brain of any computer system is
ALU
Memory
CPU
Control unit
Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
What is the date when Babbage conceived Analytical engine
1850
1880
1642
1837
The computer that can input analog signals and return result in digital form
Analog Computers
Digital Computers
Hybrid Computers
Mainframe Computers
The BIOS is the abbreviation of ________.
Basic Input Output System
Best Input Output System
Basic Input Output Symbol
Base Input Output System
One computer that is not considered a portable computer is
Minicomputer
A laptop computer
Tablet PC
All of the above
Is an OOP principle
Structured programming
Procedural programming
Inheritance
Linking
The arranging of data in a logical sequence is called
Sorting
Classifying
Reproducing
Summarizing
The computer code for the interchange of information between terminals is
ASCII
BCD
EBCDIC
All of above
A term associated with the comparison of processing speeds of different computer system is:
EFTS
MPG
MIPS
CPS
To locate a data item for storage is
Field
Feed
Database
Fetch
Primary memory stores
Data alone
Programs alone
Results alone
All of these
RAM is an example of
Secondary memory
Primary memory
Main memory
Both (1) and (2)
Which was the most popular first generation computer?
IBM 650
IBM 360
IBM 1130
IBM 2700
The two kinds of main memory are:
Primary and secondary
Random and sequential
ROM and RAM
All of above
Regarding data, computers are very good at
store
Processing
retrieve
All of above
An input /output device at which data enters or leaves a computer system is
Keyboard
Terminal
Printer
Plotter