1.2 Key Objectives:
1. perceive however information will be drawn among laptop systems
2. perceive the functions of ADP system elements
3. perceive the principles of processor operations.
1 perceive however information will be drawn among laptop systems
Numeric Data: conversions between completely different representations of data; representing range|number} variety in several number bases; changing between number bases victimization whole number numbers eg denary to binary, denary to positional notation, binary to hexadecimal; playacting arithmetic operations in several variety bases; representing a fixed-point variety in several number bases; representing floating-point numbers in binary.
Boolean logic: logic gates; truth tables; use of logic gates in integrated circuits; logical operations eg AND, OR, NOT, NAND, NOR, XOR
Coding of information: sign and magnitude; two’s complement; floating-point; binary-coded decimal; writing of character data eg customary Code for info Interchange|ASCII|code|computer code} (American Standard Code for Information Interchange)
Types of information: representing bit patterns for various styles of data eg graphics, video, audio, and different data; graphics eg electronic image (resolution, color depth, file calculations), vector (objects, properties); sound (compression, sampling resolution, rate, streaming audio, quality); video (compression, encoding, streaming, quality); analog data; digital data; analog signals; digital signals; conversion eg analog to digital; file formats eg mp3, mp4, wav, avi.
2 Understand the functions of computer system components
Key components: Central process Unit (CPU); memory; interfaces; clock; buses, diagrammatical representation; Von Neuman architectures
Central process Unit: management unit; ALU (Arithmetic Logic Unit); all-purpose registers; special-purpose registers eg instruction pointer, accumulator; core eg single, multiple; options eg pipelining, data processing, parallel processing; polling; interrupts
Memory: I/O maps; Direct operation (DMA); read-only memory (Read solely Memory); cache; RAM (Random Access Memory) eg static, dynamic, flash
Buses: system bus; address bus; management bus; physical connections to elements eg Central process Unit, memory, input/output (I/O) devices, system buses
Peripherals: sorts eg disk, printer, scanner, network card
3 perceive the principles of processor operations
CPU instruction sets: Reduced Instruction Set laptop (RISC); advanced Instruction Set laptop (CISC); clock rate; performance levels
Addressing: modes eg immediate; relative; address bus; addressing within the fetch-execute
Cycle
Machine operations: however they're organized and represented; role of the instruction decoder; low-level programs; assembly code directions eg fetch, load, add; higher cognitive process and branching; victimization registers, transferring information between registers, fetch-execute cycle; program storage; information storage; addressing
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