A. Requires a change to an anolog signal
B. Is most efficient
C. Produces little noise and few disturbances
D. All of the above
✅ The correct answer is option A.
Computer Basics
A common boundary between two systems is called
A. Interdiction
B. Interface
C. Surface
D. None of the above
✅ The correct answer is option B.
Which of the following will not cut information?
A. Pressing Ctrl + C
B. Selecting Edit > Cut from the menu
C. Clicking on the standard cut button
D. Pressing Ctrl + X
✅ The correct answer is option A.
A program used to detect overall system malfunction is
A. System analysis
B. System software
C. Utilities
D. System diagnostics
✅ The correct answer is option D.
To delete an incorrect character in a document, ______ to erase to the right of the insertion point.
A. Press the left mouse key
B. Double click the right mouse
C. Press the BACKSPACE key
D. Press the delete key
✅ The correct answer is option D.
Who designed the first electronic computer – ENIAC?
A. Von Neuman
B. Joseph M Jacquard
C. J presper Eckert and John W Mauchly
D. Both A and B
✅ The correct answer is option C.
Which memory is non volatile and may be written only once?
A. RAM
B. EEPROM
C. EPROM
D. PROM
✅ The correct answer is option D.
In synchronous transmission data from various users
A. Require header
B. Do not require header
C. Sometimes require header
D. All of the above
✅ The correct answer is option B.
Which of the following is NOT an advantage of open-source operating systems over proprietary versions?
A. Free use and distribution
B. Availability of technical support
C. Availability of source code
D. Ability to modify code
✅ The correct answer is option B.
What is the acronym for Single In-Line Memory Module?
A. SIMM
B. SILMM
C. SM
D. SMM
✅ The correct answer is option A.