cea lần 3

The _________ was the world's first general-purpose electronic digital computer

• A. UNIVAC

• B. MARK IV

• C. ENIAC

• D. Hollerith's Counting Machine

The Electronic Numerical Integrator and Computer project was a response to U.S. needs during __

• A. The Civil War

• B. The French-American War

• C. World War I

• D. World War II

The ENIAC used __________

• A. Vacuum tubes

• B. Integrated circuits

• C. IAS

• D. Transistors

The ENIAC is an example of a _________ generation computer.

• A. First
  

• B. Second

• C. Third

• D. Fourth

The __________ interprets the instructions in memory and causes them to be executed.

• A. Main memory

• B. Control unit

• C. I/O

• D. Arithmetic and logic unit

The memory of the IAS consists of 1000 storage locations called __________.

• A. Opcodes

• B. Wafers

• C. VLSIs

• D. Words

The __________ contains the 8-bit opcode instruction being executed.

• A. Memory buffer register

• B. Instruction buffer register

• C. Instruction register

• D. Memory address register

DuriDuring the _________ the opcode of the next instruction is loaded into the IR and the address portion is loaded into the MAR.

• A. Execute cycle

• B. Fetch cycle

• C. Instruction cycle

• D. Clock cycle

  
  

Second generation computers used

• A. Integrated circuits

• B. Transistors

• C. Vacuum tubes

• D. Large-scale integration

The __________ defines the third generation of computers.

• A. Integrated circuit

• B. Vacuum tube

• C. Transistor

• D. VLSI