131. When you quickly press and release the left mouse button twice, you are:
A. Primary-clicking
B. Pointing
C. Double-clicking
D. Secondary-clicking
132. Protocols are ________
A. Sets of rules
B. Sets of maps
C. Sets of computers
D. Sets of product
133. Measuring unit of capacity of hard drive is-
A. GHz
B. GB
C. Gwatts
D. G Newton
134. A disk’s content that is recorded at the time of manufacture and cannot be changed or erased by user is –
A. Read-only
B. Memory-only
C. Run-only
D. Write-only
135. In an information system, alphanumeric data normally takes the form of-
A. Sentence and paragraph
B. Numbers and alphabetical characters
C. Human voice and other sound
D. None of these
136. What is usually used for displaying information at public places?
A. Monitors
B. Overhead
C. Monitor and overhead projection
D. Touch screen kiosks
137. The real business and competitive value of information technology lies in:
A. The software application that are used by many companies.
B. The capabilities of software and the value of the information a business acquires and used.
C. The infrastructure of hardware, networks, and other it facilities that are commonly used by many companies.
D. The capabilities of the hardware and the speed at which it processes information.
138. Information on a hard disk is usually backed up using a?
A. CD-ROM
B. Magnetic tape
C. Floppy disk
D. All of the above
139. Magnetic storage devices can represent binary 0 by the absence of?
A. A magnetic field
B. Magnetic tape
C. Static electricity
D. It cannot possible.
140. Magnetic tape is a?
A. Random access medium
B. A parallel access medium
C. Universal Access medium
D. Serial access medium