Basic Computer
A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
Modulator
Demodulator
Modem
Decoder
None of the above
Modem
Modem : Modem is short for “Modulator / Demodulator.” It is a hardware component that allows a computer or other device, such as a router or switch, to connect to the Internet. It converts or “modulates” an analog signal from a telephone or cable wire to a digital signal that a computer can recognize. Similarly, it converts outgoing digital data from a computer or other device to an analog signal.
Modem Modem : Modem is short for “Modulator / Demodulator.” It is a hardware component that allows a computer or other device, such as a router or switch, to connect to the Internet. It converts or “modulates” an analog signal from a telephone or cable wire to a digital signal that a computer can recognize. Similarly, it converts outgoing digital data from a computer or other device to an analog signal.
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Time during which a job is processed by the computer isA. Delay time
B. Real time
C. Execution time
D. Down time
Which one of the following is termed a combination input-output device?
A. VDT
B. Keyboard
C. Printer
D. Laser Jet
When you are working on a document on PC, where is the document temporarily stored?
A. RAM
B. ROM
C. CPU
D. Flash Memory
The term gigabyte refers to
A. 1024 bytes
B. 1204 kbytes
C. 1024 megabytes
D. 1024 terabytes
Which of the following is a part of the computer that one can touch and feel?
A. Hardware
B. Software
C. Programs
D. Output
Which of the following bus types are used by the Apple Macintosh computer?
A. ISA
B. NuBus
C. EISA
D. MCA
Compiling creates a(n)
A. program specification
B. algorithm
C. executable program
D. subroutine
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