From e29542b8d78dffedf3ddec3574d44222fd2e71f7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9?= <11794328+liu-yingying11@user.noreply.gitee.com> Date: Tue, 5 Mar 2024 02:27:08 +0000 Subject: [PATCH 1/5] =?UTF-8?q?=E6=96=B0=E5=BB=BA=2036?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 36/.keep | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 36/.keep diff --git a/36/.keep b/36/.keep new file mode 100644 index 0000000..e69de29 -- Gitee From 785aae47b19c65192964b43ffa08e3ab1937df4c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9?= <11794328+liu-yingying11@user.noreply.gitee.com> Date: Tue, 5 Mar 2024 02:27:17 +0000 Subject: [PATCH 2/5] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=2036/.?= =?UTF-8?q?keep?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 36/.keep | 0 1 file changed, 0 insertions(+), 0 deletions(-) delete mode 100644 36/.keep diff --git a/36/.keep b/36/.keep deleted file mode 100644 index e69de29..0000000 -- Gitee From bc10d30059103a79fdf4095feb512ed8e91efb84 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9?= <11794328+liu-yingying11@user.noreply.gitee.com> Date: Tue, 5 Mar 2024 02:27:55 +0000 Subject: [PATCH 3/5] =?UTF-8?q?=E6=96=B0=E5=BB=BA=2036=20=E5=88=98?= =?UTF-8?q?=E8=8E=B9=E8=8E=B9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "36 \345\210\230\350\216\271\350\216\271/.keep" | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 "36 \345\210\230\350\216\271\350\216\271/.keep" diff --git "a/36 \345\210\230\350\216\271\350\216\271/.keep" "b/36 \345\210\230\350\216\271\350\216\271/.keep" new file mode 100644 index 0000000..e69de29 -- Gitee From 23730015e2e1a8411e654f71d64c52f238afff4b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9?= <11794328+liu-yingying11@user.noreply.gitee.com> Date: Tue, 5 Mar 2024 02:30:39 +0000 Subject: [PATCH 4/5] =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9=E7=9A=84?= =?UTF-8?q?=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: 刘莹莹 <11794328+liu-yingying11@user.noreply.gitee.com> --- ...5\345\255\230_\347\241\254\347\233\230.md" | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 "36 \345\210\230\350\216\271\350\216\271/0304 \345\206\205\345\255\230_\347\241\254\347\233\230.md" diff --git "a/36 \345\210\230\350\216\271\350\216\271/0304 \345\206\205\345\255\230_\347\241\254\347\233\230.md" "b/36 \345\210\230\350\216\271\350\216\271/0304 \345\206\205\345\255\230_\347\241\254\347\233\230.md" new file mode 100644 index 0000000..327c333 --- /dev/null +++ "b/36 \345\210\230\350\216\271\350\216\271/0304 \345\206\205\345\255\230_\347\241\254\347\233\230.md" @@ -0,0 +1,57 @@ +### 笔记 + +#### 一.内存 + +**概念:**主存储器,临时存放数据的地方,与CPU进行沟通的桥梁,计算机中所有程序的 运行都是在内存中进行的 + +**分类:**内存分为RAM和ROM两类(按工作原理),分为RAM,ROM和Cache三大类(按表现形式) + +*ROM价格高,容量小,但ROM保存的数据在断电后可保持不变 + + + +#### 二.硬盘 + +硬盘是辅助存储器。 + +**种类:**机械硬盘(传统硬盘) HDD + +​ 固态硬盘 SDD + +*转速是衡量HDD的标准,SDD依靠电子交互,速度非常快 + +**通道:**模拟高速接口,速率上限不同 + +标称250GB的硬盘只有不到233GB的空间可使用 + +一般使用Fdisk,PQ,PPM,Diskpart等软件给硬盘分区 + +### 作业 + +#### DDR + +DDR = Double Data Rate 双倍速率 ,DDR SDRAM = 双倍速率同步动态随机存储器 + +SDRAM = 同步动态随机存取存储器 + +DDR的种类: + +DDR SDRAM 双倍数据率同步同台随机存取存储器 + +DDR2 SDRAM 第二代... + +DDR3 SDRAM 第三代... + +DDR4 SDRAM 第四代... + +#### M.2固态硬盘的M-key和 B-key接口的区别是什么? + +采用b key的M.2插槽比较低端,只能走SATA或PCI-E X2通道,而采用M key的插槽就要高端一些了,走的是PCI-E X4通道。 + + + + + + + +​ \ No newline at end of file -- Gitee From 2065545d8f61078994121f907183f1ad3f57dc9f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9?= <11794328+liu-yingying11@user.noreply.gitee.com> Date: Fri, 8 Mar 2024 04:51:00 +0000 Subject: [PATCH 5/5] =?UTF-8?q?=E5=88=98=E8=8E=B9=E8=8E=B9=E7=9A=84?= =?UTF-8?q?=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: 刘莹莹 <11794328+liu-yingying11@user.noreply.gitee.com> --- ...\223\215\344\275\234\347\263\273\347\273\237.md" | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 "36 \345\210\230\350\216\271\350\216\271/0307 \350\256\241\347\256\227\346\234\272\346\223\215\344\275\234\347\263\273\347\273\237.md" diff --git "a/36 \345\210\230\350\216\271\350\216\271/0307 \350\256\241\347\256\227\346\234\272\346\223\215\344\275\234\347\263\273\347\273\237.md" "b/36 \345\210\230\350\216\271\350\216\271/0307 \350\256\241\347\256\227\346\234\272\346\223\215\344\275\234\347\263\273\347\273\237.md" new file mode 100644 index 0000000..8f4f3cb --- /dev/null +++ "b/36 \345\210\230\350\216\271\350\216\271/0307 \350\256\241\347\256\227\346\234\272\346\223\215\344\275\234\347\263\273\347\273\237.md" @@ -0,0 +1,13 @@ +### 计算机操作系统 + +#### 分类: + +1.DOS + +2.WINDOWS + +3.UNIX + +4.LINUX + +圆形界面操作系统(如Windows,apple系列)和字符界面操作系统(如Unix系列,Linux系列,dox系统等) \ No newline at end of file -- Gitee