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COMPUTER SCIENCE FOUNDATIONS COS 1521 EXAM QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100% GUARANTEED PASS $11.99
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COMPUTER SCIENCE FOUNDATIONS COS 1521 EXAM QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100% GUARANTEED PASS

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COMPUTER SCIENCE FOUNDATIONS COS 1521 EXAM QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100% GUARANTEED PASSCOMPUTER SCIENCE FOUNDATIONS COS 1521 EXAM QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100% GUARANTEED PASSCOMPUTER SCIENCE FOUNDATIONS COS 1521 EXAM QUESTIONS WITH CORRECT VERIFIED SOLUTIONS 100%...

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  • November 6, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • computer science
  • c0s1521
  • COS 1521
  • COS 1521
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DoctorKen
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COS



COMPUTER SCIENCE FOUNDATIONS
COS 1521 EXAM QUESTIONS WITH
CORRECT VERIFIED SOLUTIONS 100%
GUARANTEED PASS


A store for data in a computer that cannot be overwritten. Data in ROM is
always available and is not lost when the computer is turned off. - ANS
✓Read only memory (ROM)


The electronic device in a computer that controls the timing of signals. -
ANS ✓Clock Chip


A part of a computer architecture that transfers data and signals between
components of the computer. - ANS ✓Bus


The central printed circuit board (PCB) that holds the crucial components
of the system. - ANS ✓Motherboard


A CPU with multiple processors. - ANS ✓Dual-core/quad-core


Binary digit 0 or 1. - ANS ✓Bit


8 bits. - ANS ✓Byte


1024 bytes. - ANS ✓Kilobyte


Data lost when there is no power. - ANS ✓Volatile


COS 1521

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COS


Data retained even when power is turned off. - ANS ✓Non-volatile


A section of the hard disk used as if it were RAM to supplement the amount
of main memory available to the computer. Used when there is not enough
main memory to run the programs required. - ANS ✓Virtual memory


A circuit that produces an output based on the inputs. - ANS ✓Logic gate


A logic gate that outputs the opposite value to the input. - ANS ✓NOT


A logic gate that outputs 1 if both inputs are 1. - ANS ✓AND


A logic gate that outputs 1 if either, or both, of the two inputs are 1. - ANS
✓OR


A method for recording all possible input combinations and determining
the output for each. - ANS ✓Truth table


A circuit made by combining a sequence of logic gates. - ANS ✓Logic Circuit


A method for expressing mathmatically a logic circuit. - ANS ✓Boolean
algebra


A hardware device used to input data into a computer system for
processing. - ANS ✓Input device


A device that uses labelled keys to enable data input into a computer. - ANS
✓Keyboard




COS 1521

, 3
COS
A device that controls the movement of a pointer on screen, based on its
own movement, and allows the user to select an object by pressing a button.
- ANS ✓Mouse


A touch sensitive surface that allows the user to select, control and move
objects by touching icons and symbols using fingers. - ANS ✓Touch Screen


A device for capturing sound. - ANS ✓Microphone


A decive to capture still or moving images. - ANS ✓Camera


A pattern of thin and thick lines representing a number that can be scanned
by a reader for input into a computer system. - ANS ✓Bar Code


Radio frequency identification uses radio frequencies to represent a
number that can be scanned for input into a computer system. - ANS ✓RFID


A device that can detect physical conditions such as temperature, weight,
light, sound etc. - ANS ✓Sensor


A device that can display images and text. - ANS ✓Monitor


A device to produce physical copies of output from a computer system. -
ANS ✓Printer


A device to output sound. - ANS ✓Speaker


A device to produce physical movement based on output from a computer
system. - ANS ✓Actuator




COS 1521

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