HIKVISION
EZVIZ
HiLook
Dahua
Hard Disk
RECEIPT PRINTER
Label Printers
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CHAPTER THREE
Binary Math and Signed Representations Representing numbers with bits is one thing. Doing something with them is an entirely different matter. This chapter discusses some of the basic mathematical operations that computers perform on binary numbers along with the binary
Numbering Systems
CHAPTER – 2 Numbering Systems Chapter one discussed how computers remember numbers using transistors, tiny devices that act like switches with only two positions, on or off. A single transistor, therefore, can only remember one of two possible numbers, a
Digital Signals and Systems
CHAPTER – 1 Digital Signals and Systems 1.1 Should Software Engineers Worry About Hardware? Some students of computer and information sciences look at computer hardware the same way many drivers look at their cars: the use of a car doesn’t
install Ubuntu 22.04 in Replit
install Ubuntu 22.04 in replit Bash script #!/bin/sh ROOTFS_DIR=/home/runner export PATH=$PATH:~/.local/usr/bin max_retries=50 timeout=1 ARCH=$(uname -m) case $ARCH in x86_64) ARCH_ALT=amd64 ;; aarch64) ARCH_ALT=arm64 ;; *) echo “Unsupported CPU architecture: $ARCH” exit 1 ;; esac if [ ! -e $ROOTFS_DIR/.installed
شبكات الكمبيوتر Computer networks
شبكات الكمبيوتر Computer Networks تخيل أنك تعيش في حي مليء بالمنازل، كل منزل يمثل جهاز كمبيوتر كيف يمكن للأشخاص في هذه المنازل (الأجهزة) التواصل مع بعضهم البعض ومشاركة المعلومات؟ هنا تأتي دور شبكات الكمبيوتر شبكات الكمبيوتر هي بمثابة شبكة من
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