Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. A memory that does not change its contents without external causes is known as
a. Dynamic memory
b. Static memory
c. RAM
d. EEPROM
e. None of these
Q. A memory that holds micro programs is
a. Core memory
b. ROM
c. RAM
d. Control memory
e. None of these
Q. Buffering is
a. the process of temporarily storing the data to allow for small variation in device speeds
b. a method to reduce cross talks
c. storage of data within transmitting medium until the receiver is ready to receive.
d. a method to reduce routing overhead
e. None of these
Q. Memory allocation of variables declared in a program is
a. allocated in RAM.
b. allocated in ROM
c. allocated on stack
d. assigned to registers
e. None of these
Q. A software that allows a personal computer to pretend as a computer terminal is
a. terminal adapter
b. bulletin board
c. modem
d. terminal emulation
e. None of these
Q. What is part of a database that holds only one type of information?
a. Report
b. Field
c. Record
d. File
e. None of these
Q. Most modern TV’s draw power even ifturned off. The circuit the power is used in does what function?
a. Sound
b. Remote control
c. Color balance
d. High voltage
e. None of these
Q. ‘MPG’ extension refers usually to what kind of file?
a. WordPerfect Document File
b. MS Office document
c. Animation/movie file
d. Image file
e. None of these
Q. The most common format for a home video recorder is VHS. VHS stands for….?
a. Video Home System
b. Very high speed
c. Video horizontal standard
d. Voltage house standard
e. None of these
Q. What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.
a. URL (Universal Resource Locator)
b. LAN (Local Area Network)
c. WAN (Wide Area Network)
d. World Wide Web
e. None of these
Q. If you want to secure a message, use a(n) :
a. cryptology source
b. encryption key
c. encryption software package
d. cryptosystem
e. None of these
Q. Circuits that provide a communication path between two or more devices of a digital computer system is :
a. Car
b. Bus
c. Track
d. Cable
e. None of these
Q. A coding structure in which characters are represented by means of series of parallel bars is :
a. Bar code
b. Menu Bar
c. Numeric Bar
d. Bar Graph
e. None of these
Q. Which of the following best describes a computer-based information system?
a. Data input for processing
b. Output in produced in the form of Hard copy
c. Processing data
d. System where computer is used to turn data into information
e. None of these
Q. Voice recognition is :
a. Ability to input data directly into a computer system by speaking to it
b. Ability to output data directly from a computer system by speaking
c. Processing of voice in computer system
d. Both (a) and (b)
e. None of these