COPA ITI 2019-20 🖥 COMPUTER

Which of the following devices forwards data packets to all connected ports? 1. Router 2. Switch 3. Bridge 4. Hub 5. None of the above

Which of the following is an example of absolute cell reference in MS Excel? 1. A1$ 2. $A$1 3. A%1 4. #A1 5. None of the above

Q4U- Who created the C programming Language_______ 1) Ken Thompson 2) Dennis Ritchie 3) Robin Milner 4) Frieder Nake 5) None of these

Q4U- Multiprocessor is a computer system________ 1) Where many CPU under a common control 2) Consisting of more than one input devices under common control 3) Where many output devices under 4) All of the above 5) None of these

Q4U-Which input device is used to read information on a credit card? A. Graphic Tablet B. Numeric Keyboard C. Bar Code reader D. Magnetic Stripe reader

Q4U- Interrupts that are initiated by an instruction are_______ A. internal B. external C. hardware D. software

Q4U- The average time required to reach a storage location in memory and obtain its contents is called_____. A. Latency time. B. Access time. C. Turnaround time. D. Response time.

Q4U- The communication between the components in a microcomputer takes place via the address and ______ A. I/O bus B. Data bus C. Address bus D. None of the Above

Q4U- Which of the following bus structure is usually used to connect I/O devices? A. Single bus B. Multiple bus C. Star bus D. None of the Above

Q4U- The control unit controls other units by generating control and _______ A. Command Signals B. Timing signals C. Transfer signals D. None of the Above

Q4U- Which of the following Unit can be used to measure the speed of a computer? A. BAUD B. SYPS C. MIPS D. None of the Above

Q4U- The computer performs all mathematical and logical operations inside its _______ A. Visual Display Unit B. Memory Unit C. Output Unit D. Central Processing Unit

Q4U- The register which holds the address of the location to or from which data are to be transferred is known as_______ A. Instruction Register B. Control register C. Memory Address Register D. None of the Above

Q4U- CISC stands for _________ A. Compound Instruction Set Computer B. Complex Information Set Computer C. Compound Information Set Computer D. Complex Instruction Set Computer

Q4U- ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Q4U- RISC stands for________ A. Reverse Instruction Set Computer B. Reverse Information Set Computer C. Reduced Information Set Computer D. Reduced Instruction Set Computer

Q4U- A bus that transfer data from one component to another or between computers is called _________ A. Address Bus B. Data Bus C. Control Bus D. None of the Above

Q4U- A computer bus that is used to specify a Physical address? A. Address Bus B. Data Bus C. Control Bus D. None of the Above