Which device can understand difference between data & programs?
Input device
Output device
Memory
Microprocessor
Correct Answer :
D. Microprocessor
Related Questions
Which statement is valid about computer program?
High level languages must be converted into machine language to execute
High level language programs are more efficient and faster to execute
It is more difficult to identify errors in high level language program than in low level programs
All of above
Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
ENIAC
MARK I
Z3
ABC
People often call ______ as the brain of computer system
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
RJ45 UTP cable has ________ Cables.
2 pair
3 pair
4 pair
5 pair
An error in software or hardware is called a bug. What is the alternative computer jargon for it?
Leech
Squid
Slug
Glitch
Easily reloctable language is
Machine language
Assembly language
High level language
Medium level language
Which of the following is internal memory?
Disks
Pen Drives
RAM
CDs
Which of the following is an example of fifth generation computer?
PIM/m
ICL 2950
IBM 1401
None of above
When was the worlds first laptop computer introduced in the market and by whom?
Hewlett-Packard, 1980
Epson, 1981
Laplink Traveling Software Inc, 1982
Tandy Model-200, 1985
IBM stands for
Internal Business Management
International Business Management
International Business Machines
Internal Business Machines
Which statement is valid?
1KB = 1024 bytes
1 MB=2048 bytes
1 MB = 1000 kilobytes
1 KB = 1000 bytes
What was the main disadvantage of vacuum tubes?
They were larger in size
They consumed a lot of electricity
They produced heat and often burned out
The operation cost was high
Which device is used to backup the data?
Floppy Disk
Tape
Network Drive
All of the above
A name applied by Intel corp. to high speed MOS technology is called
HDLC
LAP
HMOS
SDLC
UNIVAC is
Universal Automatic Computer
Universal Array Computer
Unique Automatic Computer
Unvalued Automatic Computer
Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
EBCDIC stands 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
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
A set of flip flops integrated together is called
Counter
Adder
Register
None of the above
A disadvantage of the laser printer is
It is quieter than an impact printer
It is very slow
The output is of a lower quality
None of the above
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
Perforated paper used as input of output media is known as
paper tapes
magnetic tape
punched papers tape
card punch
________ is the key to close a selected drop -down list; cancel a command and close a dialog box.
TAB
SHIFT
ESC
F10
Which of the following was a special purpose computer?
ABC
ENIAC
EDVAC
All of the above
Which is an item of storage medium in the form of circular plate?
Disk
CPU
Printer
ALU
The advantage of COM are its and
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
Tape speed is measured in
Feet per second
Inch per second
Meter per second
Centimeter per second
A computer consists of
A central processing unit
A memory
Input and output unit
All of the above
Which of the following memories needs refresh?
SRAM
DRAM
ROM
All of above