791. A program that is employed in the development, repair or enhancement of other programs is known as
A. System software
B. Software tool
C. Applications program
D. Utility program
✅ The correct answer is option B.
Computer
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792. What is the shortcut key of printing a document for computer having windows?
A. Ctrl + P
B. Shift + P
C. Alt + P
D. Ctrl + Alt + P
✅ The correct answer is option A.
793. Regarding a VDU, which statement is more correct?
A. It is an output device
B. It is an input device
C. It is a peripheral device
D. It is a hardware item
✅ The correct answer is option C.
794. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?
A. Capacitance keyboards
B. Mechanical keyboards
C. Qwerty keyboards
D. Dvorak keyboards
✅ The correct answer is option A.
795. Which of the following terms applies to communication between separate computer systems?
A. Computer literacy
B. Power supply
C. Applications software
D. Connectivity
✅ The correct answer is option D.
796. When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
A. 1984
B. 1986
C. 1990
D. 1995
✅ The correct answer is option A.
797. The 2’s complement of a binary no. is obtained by adding…..to its 1’s complement.
A. 0
B. 1
C. 10
D. 12
✅ The correct answer is option B.
798. The range of frequencies available for data transmission is known as
A. Baud
B. Bandwidth
C. Byte
D. Bits
✅ The correct answer is option B.
799. What is the most common tool used to restrict access to a computer system?
A. User log in
B. Passwords
C. Computer keys
D. Access-control software
✅ The correct answer is option B.
800. Which of the following items is not used in Local Area Networks (LANs)
A. Computers
B. Modem
C. Printer
D. Cable
✅ The correct answer is option B.