Q. Data communications involving telegraph lines uses
✅ Correct Answer: (C)
narrowband channels
Computer Awareness MCQs and Notes
Q. Communications device, combines transmissions from several devices into on line is
✅ Correct Answer: (C)
multiplexer
Q. Distributed data processing configuration where all activities passes through a centrally located computer is
✅ Correct Answer: (B)
spider network
Q. All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as
✅ Correct Answer: (A)
typematic key
Q. The primary memory of a personal computer consists
✅ Correct Answer: (C)
Both ROM and RAM
Q. The word size of a microprocessor refers to:
✅ Correct Answer: (B)
the amount of information that can be stored / cycle
Q. The following magazine covers only the IBM PC and its compatibles
✅ Correct Answer: (B)
PC Magazine
Q. Which of the following is input/output device?
✅ Correct Answer: (D)
all the above
Q. The following are basic types of record- access methods
✅ Correct Answer: (A)
sequential and random