Computer Awareness Practice Set 37 presents multiple choice Q & A for basics of computers and applications. Computer Awareness Practice Set 37 article, is exceedingly important for candidates preparing for RRB ALP/Technical Exams/Junior Engineer Recruitment, SSC CGL, UPSC (Civil services exam including IAS) Exams and etc.
A. data can be transmitted in one direction only
B. data can be transmitted in both direction
C. data can be transmitted in both direction simultaneously
D. data cannot be transmitted
Answer: Option B
2. Which access method is used for obtaining a record from a cassette tape?
A. Direct
B. Sequential
C. Random
D. parallel
Answer: Option B
3. A lever used to control the movement of a cursor on a video screen is
A. keyboard
B. toy stick
C. light pen
D. plotter
Answer: Option B
4. In synchronous transmission data from various users
A. require header
B. do not require header
C. do not require header
D. All of these