The first mechanical calculating machine was made by ________________________?

A. William oughtred
B. Gottfried leibnitz
C. Blaise pascal
D. Charles babbage

A(n) _________________ camera is a peripheral device used to capture still images in a digital format taht can be easily transferred into a computer and manipulated using graphics software?

A. Digital
B. Analog
C. Classic
D. Film

Devices that let the computer communicate with you ___________________?

A. Input
B. Output
C. Type
D. Print

Which one of the following is not an application layer protocol ?

A. Media gateway protocol
B. Dynamic host configuration protocol
C. Resource reservation protocol
D. Session initiation protocol

Powerful key that lets you exit a program when pushed____________________?

A. Arrow key
B. Space bar
C. Escape key
D. Return key

One puts information into the computer by pressing this key__________________?

A. Caps lock
B. Tab
C. Enter
D. Esc

Codes consisting of bars or lines of varying widths or lenghts that are computer readable are known as__________________?

A. An ascii code
B. A magnetic tape
C. An ocr scanner
D. A bar code

Which one of the following is a transport layer protocol used in internet ?

A. Tcp
B. Udp
C. Both a and b
D. None of these

Bits can be send over guided and unguided media as analog signal by___________________?

A. Digital modulation
B. Amplitude modulation
C. Frequency modulation
D. Phase modulation

A single channel is shared by multiple signals by _____________________?

A. Analog modulation
B. Digital modulation
C. Multiplexing
D. None of these