A technique used by codes to convert an analog signal into a digital bit stream is known as
Pulse code modulation
Pulse stretcher
Query processing
Queue management
Correct Answer :
A. Pulse code modulation
Related Questions
ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?
Floppy Disk
Hard Disk
Tape Drive
CDROM
People often call as the brain of computer system
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
COBOL is widely used in application s
Commercial
Scientific
Space
Mathematical
A program that converts computer data into some code system other than the normal one is known as
Encoder
Simulation
Emulator
Coding
Which of the following is not anti- viruses' software?
NAV
F-Prot
Oracle
McAfee
Who invented punched cards?
Charles Babbage
Dr. Herman Hollerith
Howard Aikin
Joseph Jacquard
Which method is used to connect a remote computer?
Device
Dialup
Diagnostic
Logic circuit
In the third Generation of computers
Distributed data processing first became popular
An operating system was first developed
High level procedural language were first used
Online real time systems first become popular
Which part of the computer is used for calculating and comparing?
Disk unit
Control unit
ALU
Modem
Which is the largest computer?
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Touch panel
Mouse
Wand
Writing tablet
Which of the following terms is the most closely related to main memory?
Non volatile
Permanent
Control unit
Temporary
A register organized to allow to move left or right operations is called a ____
Counter
Loader
Adder
Shift register
What is the latest write-once optical storage media?
Digital paper
Magneto-optical disk
WORM disk
CD-ROM disk
In what respect human beings are superior to computers?
Diligence
Intelligence
Slavery
Reliability
The personnel who deals with the computer & its management put together are called
Software
Human ware
Firmware
Hardware
Access time is
seek time + latency time
seek time
seek time
latency time
Symbolic languages were developed in
1962
1950
1974
1980
What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)?
Extended
Expanded
Base
Conventional
Which statement is valid about magnetic tape?
It is a plastic ribbon
It is coated on both sides with iron oxide
It can be erased and reused
All of above
Computer instructions written with the use of English words instead of binary machine code is called
Mnemonics
Symbolic code
Gray codes
Opcode
The two basic types of record access methods are:
Sequential and random
Sequential and indexed
Direct and immediate
Online and real time
What type of resource is most likely to be a shared common resource in a computer Network?
Printers
Speakers
Floppy disk drives
Keyboards
Which of the following is the 1's complement of 10?
1
110
11
10
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
The two kinds of main memory are:
Primary and secondary
Random and sequential
ROM and RAM
All of above
Touch Screen is________
Input device
Output device
Both a & b above
None of these
Which part of the computer is used for calculating and comparing?
Disk unit
Control unit
ALU
Modem
What are the three decisions making operations performed by the ALU of a computer?
Grater than
Less than
Equal to
All of the above