Qual é a CPU para a calculadora com 28 kb de RAM e tamanho de tela 128×64 pixels 21×8 caracteres?
CREATE TABLE table_11703336_1 (cpu VARCHAR, ram VARCHAR, display_size VARCHAR)
SELECT cpu FROM table_11703336_1 WHERE ram = "28 KB of ram" AND display_size = "128×64 pixels 21×8 characters"